Lambert Dacy Gobel, Jr. is married to Wendy Wordsworth and has two children with her: James and Hermione Gobel. He is also the son of Lambert Gobel, Sr. and Babs Twilly, and the brother of Gerta Gobel.
Lambert's position on the family tree featured in The Simpsons Uncensored Family Album makes him a fifth cousin of Homer Simpson, as well as a second cousin once removed of Charles Montgomery Burns. also as well as a third cousin of Larry Burns