Paul Franklin Watson (born December 2, 1950) is a Canadian marine wildlife conservation and environmental activist, who founded the Sea Shepherd Conservation Society, an anti-poaching and direct action group focused on marine conservation and marine conservation activism. He is a citizen of Canada and the United States. The Toronto native joined a Sierra Club protest against nuclear testing in 1969. He was an early and influential member of Greenpeace, crewed and skippered for it and a founding board member in 1972.

According to the Sea Shepherd Conservation Society, Paul Watson was born in Toronto to Anthony Joseph Watson and Annamarie Larsen, and grew up in St. Andrews, New Brunswick, along with two sisters and three brothers. As a child he was a member of the Kindness Club, which he has credited with teaching him to "respect and defend animals". After working as a tour guide at Expo 67, the World's Fair that took place in Montreal in 1967, Watson moved to Vancouver.  According to the Sea Shepherd Conservation Society, in 1968 and the early 1970s, he joined the Canadian Coast Guard, where he served aboard weatherships, search and rescue hovercraft, and buoy tenders. He signed up as a merchant seaman in 1969 with the Norwegian Consulate in Vancouver and shipped out on the 35,000 ton bulk carrier Bris as a deck hand. The Bris was registered in Oslo, Norway and manifested for the Indian Ocean and Pacific trade.  Watson has one daughter Lilliolani (born 1980) with his first wife, Starlet Lum, who was a founding director of Greenpeace Quebec, Earthforce!, Project Wolf, and Sea Shepherd. His second wife, Lisa Distefano, a former Playboy model, was Sea Shepherd's Director of Operations during the Makah anti-whaling campaigns in Friday Harbor. His third wife, Allison Lance, is an animal rights activist and a volunteer crew member of Sea Shepherd. Watson has two grandchildren. Watson married his fourth wife Yana Rusinovich on February 14, 2015, in Paris, France. Watson and Rusinovich had a son, Tiger, on September 29, 2016.

Answer the following question by taking a quote from the article: did he have any siblings?
two sisters and three brothers.