Laurence K. Avanzino was the biological father of Kathy Hilton and the maternal grandfather of Paris Hilton and her siblings. He was also the first husband of Kathleen Dugan, better known as Big Kathy.
Laurence, commonly called Larry, came from an affluent Italian-American family and attended Long Island University. His marriage to Big Kathy was brief, and he did not raise their daughter Kathy. He later remarried and had five more children. Laurence died on February 20, 1997.
Laurence K. Avanzino’s Profile Summary
| Detail | Information |
|---|---|
| Full name | Laurence K. Avanzino |
| Also known as | Larry Avanzino |
| Reported birth year | 1935 |
| Nationality | American |
| Background | Italian-American |
| Education | Attended Long Island University |
| Brother | Ken Avanzino |
| First wife | Kathleen Dugan, known as Big Kathy |
| Other known wife | Diane Campisi |
| Children | Six reported |
| Famous daughter | Kathy Hilton |
| Grandchildren through Kathy | Paris, Nicky, Barron II, and Conrad Hilton |
| Reported later occupation | Independent painter |
| Date of death | February 20, 1997 |
| Known for | Being Kathy Hilton’s biological father |
Laurence K. Avanzino’s Early Life
Laurence K. Avanzino reportedly was born in 1935 in the United States. His exact date and place of birth are not clearly established in the available information.
He came from an affluent Italian-American family. The Avanzino family lived in the Plandome area of Manhasset on Long Island, New York.
People who knew Laurence when he was young described him as tall, muscular, blond, and handsome. Family acquaintances also remembered him as charming and confident. These descriptions come from personal recollections rather than official biographical records.
His Parents and Brother
Detailed information about Laurence’s parents, including their names and professions, is not available in the supplied accounts.
He had a brother named Ken Avanzino. Ken later shared several memories about Laurence’s relationship and marriage with Big Kathy.
The brothers were close enough in their younger years that Kathleen Dugan reportedly first noticed Laurence while he was playing football with Ken outside the Avanzino family home.
Laurence Attended Long Island University
Laurence attended Long Island University as a young man.
He was reportedly studying there when he met Kathleen Dugan in 1957.
His subject of study, degree, and graduation status have not been publicly confirmed.
How Laurence Avanzino Met Big Kathy
Laurence K. Avanzino met Kathleen Dugan in 1957. Kathleen later became widely known as Big Kathy, especially because of her famous daughters and grandchildren.
According to family accounts, Kathleen first saw Laurence playing football with his brother Ken on the lawn outside his family’s home in Plandome.
The two soon began a relationship.
People who knew Laurence at the time described him as charismatic and attractive. Kathleen’s sister Adele was among those who later spoke about his appearance and personality when he was young.
Laurence and Big Kathy’s Marriage
Laurence K. Avanzino and Kathleen married in 1957.
According to family accounts, they originally eloped rather than having the large wedding their families expected.
They were reportedly traveling to see Ken Avanzino, who was in a hospital, when they stopped at a church. Laurence arranged for a minister to marry them before they continued to the hospital.
Kathleen’s family later organized a larger Catholic wedding for the couple.
The Birth of Kathy Hilton
Laurence and Kathleen had one daughter together, Kathy Hilton.
Kathy was born during their brief marriage and was their only child together.
Family accounts say Kathy arrived about seven months after Laurence and Kathleen’s wedding. Some accounts also make claims about when and where she was conceived, but those details are based on personal stories rather than independently documented information.
Kathy later became the best-known member of Laurence’s immediate family.
Why Laurence and Big Kathy Divorced
Laurence K. Avanzino and Kathleen’s marriage did not last.
Laurence’s brother Ken later described the couple as incompatible. According to his recollections, they had loud arguments but could quickly become affectionate again.
One family account also says Kathleen once threw baby Kathy’s bottle at Laurence during an argument.
These stories come from relatives and acquaintances. There is little public documentation about the private details of their marriage.
The exact date of their divorce is not clearly established in the available information.
Did Laurence Avanzino Raise Kathy Hilton?
Laurence was Kathy Hilton’s biological father, but he reportedly did not play a major role in raising her after his marriage ended.
Diane Campisi, one of Laurence’s later wives, said that Laurence did not bring Kathy up.
Kathy was instead raised mainly within her mother’s family.
Laurence also remained largely separate from the public life Kathy later built with the Hilton family.
Who Is Kathy Hilton?
Kathy Hilton is an American socialite, actress, fashion designer, and television personality. She is the daughter of Laurence K. Avanzino and Kathleen Dugan.
After Laurence and Kathleen separated, Kathleen later married Ken Richards. Kathy gained two maternal half-sisters, Kim Richards and Kyle Richards.
Kim and Kyle became actresses and later appeared in reality television. They are Kathy’s half-sisters through their mother and are not Laurence Avanzino’s daughters.
Kathy later married businessman Richard Hilton. Their marriage connected her to the Hilton family.
She and Richard have four children: Paris Hilton, Nicky Hilton, Barron Hilton II, and Conrad Hilton.
Kathy has also appeared on The Real Housewives of Beverly Hills, alongside her sister Kyle Richards.
Big Kathy’s Life After Laurence
Kathleen Dugan married several times after her relationship with Laurence ended.
Her later husbands included Ken Richards, Jack Catain, and Robert Fenton.
Her marriage to Ken Richards expanded Kathy’s family and gave her half-sisters Kim and Kyle Richards.
Laurence followed a separate path after the divorce and also created another family.
Laurence Avanzino’s Later Marriages
Laurence reportedly married twice after divorcing Big Kathy.
One of his later wives was Diane Campisi.
The available sources do not clearly identify his other reported wife. It would therefore be inaccurate to name Diane as his only spouse after Big Kathy.
Details such as the dates of these marriages and divorces are also not reliably established.
How Many Children Did Laurence Avanzino Have?
Laurence K. Avanzino reportedly had six children in total.
Kathy Hilton was his daughter with Big Kathy.
After that marriage ended, Laurence reportedly had another three daughters and two sons.
This means Kathy had five paternal half-siblings.
Most of their names and personal details have remained outside the public record.
His Daughter Elizabeth Avanzino
One of Laurence’s other daughters is Elizabeth Avanzino.
Elizabeth reportedly owned an art gallery and experienced problems with alcohol later in her life. She also reportedly spent time in prison, although reliable details about the case are not provided in the available information.
Elizabeth has spoken publicly about addiction within her family.
She said that her father also struggled with alcohol. Her comments are one of the sources behind reports about Laurence’s long-term drinking problems.
His Life Later in Adulthood
Laurence’s circumstances changed considerably during his lifetime.
He had grown up in a financially comfortable family, but reports describe him as having serious financial problems later in life.
One account says he was involved in a fight when he was in his late 50s and was left unconscious. There is little publicly available information about the incident.
By his final years, Laurence reportedly had limited financial resources.
Was Laurence Avanzino Paris Hilton’s Grandfather?
Yes. Laurence was Paris Hilton’s maternal grandfather.
His daughter Kathy married Richard Hilton and had four children:
- Paris Hilton
- Nicky Hilton
- Barron Hilton II
- Conrad Hilton
Laurence was therefore the biological maternal grandfather of all four children.
He was not a member of the Hilton family by birth. His connection to the family came through Kathy’s marriage to Richard Hilton.
Did Laurence Avanzino Meet Paris Hilton?
The available family accounts say Laurence never met any of Kathy and Richard Hilton’s four children.
That means he reportedly never had a personal relationship with Paris, Nicky, Barron II, or Conrad Hilton.
Laurence K. Avanzino was alive until 1997, but he remained separate from Kathy’s Hilton family.
Who Is Paris Hilton?
Paris Hilton is Laurence’s granddaughter through Kathy Hilton.
She became a public figure as a model, socialite, reality television personality, businesswoman, and media personality.
Her public profile grew significantly through The Simple Life, the reality television series she starred in with Nicole Richie beginning in 2003.
Laurence K. Avanzino died several years before Paris reached widespread television fame.
Laurence Avanzino’s Final Years
Reports about Laurence’s final years describe declining health and financial problems.
Big Kathy reportedly visited him before his death. According to accounts of that meeting, his appearance had changed considerably from when they were young.
One account states that he had lost his teeth by this stage of his life.
Because these details come from personal recollections rather than medical records, they should be understood as reported family accounts.
When Did Laurence K. Avanzino Die?
Laurence K. Avanzino died on February 20, 1997, reportedly in a hospital.
His exact cause of death is not established in the available information.
His birth year has been reported as 1935. If that year is correct, Laurence would have been around 61 or 62 when he died. His exact age cannot be confirmed without a reliable full date of birth.
His death certificate reportedly listed his occupation as an independent painter.
Laurence K. Avanzino’s Net Worth
Laurence K. Avanzino’s net worth is not reliably known.
There are no credible public financial records establishing his wealth. Although he reportedly came from an affluent family, accounts of his later life say he experienced serious financial difficulties.
Any specific online net worth figure should therefore be treated as an unsupported estimate unless backed by reliable records.
Social Media and Public Life
Laurence K. Avanzino did not have a known social media presence. He died in 1997, years before modern social media platforms became common.
He was also not a celebrity or television personality.
Most public interest in his life comes from his relationship to Kathy Hilton and his biological connection to later generations of the Hilton family.
Facts About Laurence K. Avanzino
- Laurence K. Avanzino was commonly called Larry.
- His birth year has been reported as 1935.
- He came from an Italian-American family.
- His family reportedly lived in the Plandome area of Manhasset, New York.
- He had a brother named Ken Avanzino.
- Laurence attended Long Island University.
- He met Kathleen Dugan, known as Big Kathy, in 1957.
- Laurence and Big Kathy married in 1957 after initially eloping.
- Their only child together was Kathy Hilton.
- Laurence did not reportedly play a major role in raising Kathy after the marriage ended.
- He later remarried and reportedly had five more children.
- Diane Campisi was one of his later wives.
- Elizabeth Avanzino is one of his daughters.
- Family members said Laurence struggled with alcohol.
- His later occupation was reportedly listed as independent painter.
- Laurence was the maternal grandfather of Paris, Nicky, Barron II, and Conrad Hilton.
- Reports say he never met his Hilton grandchildren.
- He died on February 20, 1997.
- His exact cause of death has not been publicly confirmed in the available information.
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