The question boils down to:
Can I have kitniot in my house on Pesach if I cannot eat them (in the Ashkenazic tradition)?
Mi Yodeya is a question and answer site for those who base their lives on Jewish law and tradition and anyone interested in learning more. It only takes a minute to sign up.Sign up to join this community
You can own them (Rama in Shulchan Aruch OC 453:1). The Mishna Berura there adds that you can even derive benefit from them.