LaLanne marries his first wife, Elaine. They have a daughter, Yvonne LaLanne, born in 1935. They divorced sometime during the 1940s.

LaLanne marries Elaine Doyle, who becomes his business partner and a constant presence by his side. They met on his television show. She helps him run LaLanne Fitness Centers.

LaLanne's wife, Elaine, and children are actively involved in promoting fitness and healthy living. They appear on his television show and support his business ventures.