Question: are sakura and tomoyo cousins?
Answer: Tomoyo is the best friend of Sakura Kinomoto (the heroine of the series) and the daughter of Sonomi Daidouji (the president of Daidouji Toy Company) who is the cousin of Nadeshiko Kinomoto (Sakura's mother), which makes Sakura, Touya and Tomoyo 2nd cousins.