Q: Passage: Star-Lord (Peter Quill) is a fictional superhero appearing in American comic books published by Marvel Comics. The character, created by Steve Englehart and Steve Gan, first appeared in Marvel Preview # 4 (January 1976). The son of human Meredith Quill and Spartoi J'son, Peter Quill assumes the mantle of Star-Lord, an interplanetary policeman.

Question: Based on this passage, who is peter quill's father in comics?
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To answer the above question, the relevant sentence is: The son of human Meredith Quill and Spartoi J'son, Peter Quill assumes the mantle of Star-Lord, an interplanetary policeman. So the answer is Spartoi J'son.