He was born into the Mountain Cove Clan, born for Red Bottom People. He was born in Morenci, Ariz. on Oct. 25, 1948.
Leonard was preceded in death by both his parents Eunice and Kee Tso; his brothers Theodore, William, and Henry; his sisters Isabelle and Marilyn; and his late son Lorenzo Benally.
He is survived by his siblings Elizabeth Thompson and Marie Arnolith, and his kids Magdelynn Tso, Geraldine Mason, Waylonda Davis, Patrick Tso, Darrell Tso, and Jennifer Tso.
A graveside service will be held at Community Cemetery in Lukachukai, Ariz. Feb. 10 at 10 am.