"The potatoes are on boiling and the kettle's singing and I daresay, Mr. Beaver, you'll get us some fish."
"That I will," said Mr. Beaver. (7.46-47)
Mr. and Mrs. Beaver are the ideal Narnian couple. While Mrs. Beaver attends to the sewing and cooking, Mr. Beaver provides the food and keeps the house repaired. They're very much out of the time when C.S. Lewis was writing – the late 1940s, post-World War II.
"I tell you he is the King of the wood and the son of the great Emperor-Beyond-the-Sea." (8.22)
Just as Jesus is the Son of God, Aslan is the son of the mysterious and powerful Emperor-Beyond-the-Sea. It's important that we see Aslan as taking on a familial role; unlike the Witch, he is not a stand-alone creature, but part of a family system.