And Abraham took sheep and oxen, and gave them unto Abimelech; and both of them made a covenant. (21:27)

And Abraham set seven ewe lambs of the flock by themselves. (21:28)

And Abimelech said unto Abraham, What [mean] these seven ewe lambs which thou hast set by themselves? (21:29)

And he said, For [these] seven ewe lambs shalt thou take of my hand, that they may be a witness unto me, that I have digged this well. (21:30)

--1 Samuel--

Then Jonathan and David made a covenant, because he loved him as his own soul. (18:3)

And Jonathan stripped himself of the robe that [was] upon him, and gave it to David, and his garments, even to his sword, and to his bow, and to his girdle. (18:4)