I looked up my family tree

“ I looked up my family tree and found three dogs using it. ”

This quote means his family background is so low in his comic telling that even dogs have claimed it.

Rodney Dangerfield (born Jacob Cohen) was an iconic American stand-up comedian, actor, and screenwriter, famous for his self-deprecating humor and his signature catchphrase**"I don't get no respect!"**. He became a household name in the late 1960s and 1970s, known for his fast-paced delivery of one-liners, trademark rumpled suit, red tie, and nervously clutching his throat.