Pairs in Legend of Eight Samurai

It seems like there were a lot of pairs in this movie. Maybe it's easier to keep track of all the characters by putting them into groups.

Mother/Son: Tamazusa and Motofuji, Tamazusa and Shinbei

Brother/Brother: Shinbei and Motofuji

Brother/Sister: Shino and Hamaji

Samurai/Samurai: Dosetsu and Daikaku

Large/Small: Kobungo and Sosuke

Hamaji's Killer/Hamaji's Lover: Keno and Shino

Man/Woman: Shinbei and Shizu

Man/Woman: Yonosuke and Keno

Witch/Wizard: Funamushi and Genjin

Clan/Clan: Hikita and Satomi