Who is Mama (Yellow Kettle), Deydey (Mikwam) from The Birchbark House and what is their importance?

Mama (Yellow Kettle) and Deydey (Mikwam) are Omakayas' parents. They are described as complex, strong-willed individuals, who play a large part in their daughters development. Mama is said to be hard-working, patient, and fair ... Deydey, on the other hand, can be stern and demanding. Omakayas learns the values that shape her relations with other from her parents, who inspire her to be part of a community.