When he goes to see them, they each have a foal, and there is, in addition, a dapple-gray colt. It persuades him to kill all the foals so Kaynak:Dapplegrim
Poem: trot fast, my dapple-gray!: Spring over the ground like a hunting-hound!: For 'tis Thanksgiving Day.: Over the river, and through the Kaynak:Over the River and Through the Wood