Hebrews 2:16

2:16 For surely his concern is not for angels, but he is concerned for Abraham’s descendants.

Hebrews 6:13

6:13 Now when God made his promise to Abraham, since he could swear by no one greater, he swore by himself,

Hebrews 7:4

7:4 But see how great he must be, if Abraham the patriarch gave him a tithe of his plunder.