Susan Ford, daughter of Gerald Ford, and the family's Siamese cat, Shan, in 1974. Wiki Commons
US First Lady Jill Biden with First Dog Champ outside the White House, in Washington on Sunday, January 24. EPA
US president Ronald Reagan and his pet dog Lucky, with British prime minister Margaret Thatcher in the White House Rose Garden in 1985. AP
First lady Jacqueline Kennedy, with Clipper the German shepherd, standing with her sister, Princess Lee Radziwill of Poland, and niece, Anna Christina Radziwill, on the walkway outside the Oval Office. Reuters
President Bill Clinton and first lady Hillary Clinton walk Buddy the chocolate labrador across the South Lawn of the White House to board Helicopter Marine One in March 1998.
President Theodore Roosevelt with his wife, Edith Roosevelt, five of their children and their dog, Skip, who was one of many pets they moved into the White House in 1901. Library of Congress
President Franklin D Roosevelt with his dog Fala at a picnic on Sunset Hill. At the time, Fala was four months old. Wiki Commons
Bo, left, and Sunny, the Obama family dogs, on the South Lawn of the White House in August 2013. Official White House Photo by Pete Souza
Major, one of the family dogs of US President Joe Biden and First Lady Jill Biden, explores the South Lawn after his arrival from Delaware. Reuters
President Barack Obama is almost jerked off his feet as he walks Portuguese water dog Bo, then six months old, with his daughters Malia and Sasha Obama in April 2009. AP
Socks, president Bill Clinton's cat, at the White House Press Briefing Room lectern in 1993. Wiki Commons
First lady Nancy Reagan holding the Reagans' pet Rex, a King Charles spaniel, as she and president Reagan walk on the White House South Lawn. AP/Shutterstock
President Gerald Ford and first lady Betty Ford pose with Liberty, their golden retriever on the South Lawn of the White House in May 1975. Shutterstock
President Herbert Hoover with his pet Belgian shepherd dog King Tut. Hoover was president from 1929 to 1933. Wiki Commons
President Lyndon Johnson with his dog, Him. The president caused a storm of protest when he lifted his dog by his ears in May 1964. Wiki Commons
Laddie Boy, an Airedale terrier owned by president Warren G Harding. Harding was president from 1921 to 1923. Wiki Commons
President George W Bush plays with his Scottish terriers, Barney and Mrs Beazley, on the South Lawn of the White House in April 2005. AFP
Archie Roosevelt with his Calico pony, Algonquin, on the White House Lawn in 1902 when his father Theodore Roosevelt was president. Wiki Commons
First lady Grace Coolidge with Laddie Boy, an Airedale terrier, and Rob Roy, a white collie, in September 1924. Calvin Coolidge was president from 1923 to 1929. Wiki Commons
First lady Barbara Bush pets family dogs Millie, bottom, and Ranger on the steps of the White House, while waiting for George H Bush to return from playing golf. AP
Susan Ford, daughter of Gerald Ford, and the family's Siamese cat, Shan, in 1974. Wiki Commons
US First Lady Jill Biden with First Dog Champ outside the White House, in Washington on Sunday, January 24. EPA
US president Ronald Reagan and his pet dog Lucky, with British prime minister Margaret Thatcher in the White House Rose Garden in 1985. AP
First lady Jacqueline Kennedy, with Clipper the German shepherd, standing with her sister, Princess Lee Radziwill of Poland, and niece, Anna Christina Radziwill, on the walkway outside the Oval Office. Reuters
President Bill Clinton and first lady Hillary Clinton walk Buddy the chocolate labrador across the South Lawn of the White House to board Helicopter Marine One in March 1998.
President Theodore Roosevelt with his wife, Edith Roosevelt, five of their children and their dog, Skip, who was one of many pets they moved into the White House in 1901. Library of Congress
President Franklin D Roosevelt with his dog Fala at a picnic on Sunset Hill. At the time, Fala was four months old. Wiki Commons
Bo, left, and Sunny, the Obama family dogs, on the South Lawn of the White House in August 2013. Official White House Photo by Pete Souza
Major, one of the family dogs of US President Joe Biden and First Lady Jill Biden, explores the South Lawn after his arrival from Delaware. Reuters
President Barack Obama is almost jerked off his feet as he walks Portuguese water dog Bo, then six months old, with his daughters Malia and Sasha Obama in April 2009. AP
Socks, president Bill Clinton's cat, at the White House Press Briefing Room lectern in 1993. Wiki Commons
First lady Nancy Reagan holding the Reagans' pet Rex, a King Charles spaniel, as she and president Reagan walk on the White House South Lawn. AP/Shutterstock
President Gerald Ford and first lady Betty Ford pose with Liberty, their golden retriever on the South Lawn of the White House in May 1975. Shutterstock
President Herbert Hoover with his pet Belgian shepherd dog King Tut. Hoover was president from 1929 to 1933. Wiki Commons
President Lyndon Johnson with his dog, Him. The president caused a storm of protest when he lifted his dog by his ears in May 1964. Wiki Commons
Laddie Boy, an Airedale terrier owned by president Warren G Harding. Harding was president from 1921 to 1923. Wiki Commons
President George W Bush plays with his Scottish terriers, Barney and Mrs Beazley, on the South Lawn of the White House in April 2005. AFP
Archie Roosevelt with his Calico pony, Algonquin, on the White House Lawn in 1902 when his father Theodore Roosevelt was president. Wiki Commons
First lady Grace Coolidge with Laddie Boy, an Airedale terrier, and Rob Roy, a white collie, in September 1924. Calvin Coolidge was president from 1923 to 1929. Wiki Commons
First lady Barbara Bush pets family dogs Millie, bottom, and Ranger on the steps of the White House, while waiting for George H Bush to return from playing golf. AP
Susan Ford, daughter of Gerald Ford, and the family's Siamese cat, Shan, in 1974. Wiki Commons