What is zoro family tree?

As an AI language model, I do not have access to the fictional character Zoro's family tree, as it may vary depending on the adaptation or version of the story. However, I can tell you that Zoro is a character from the popular manga and anime series One Piece, created by Eiichiro Oda. He is a skilled swordsman and a member of the Straw Hat Pirates, led by the main character, Monkey D. Luffy. Throughout the series, Zoro's backstory and relationships with other characters are revealed, but it is not completely clear who his biological family members are.