Well, I've been working through Genesis in my bible study, and I found Abraham's family tree online from
ryancombs.com. It's pretty interesting actually, shows how God's covenant played out over time.
And he brought him outside and said, “Look toward heaven, and number the stars, if you are able to number them.” Then he said to him, “So shall your offspring be.”
(Genesis 15:5 ESV)
Source:
http://www.ryancombs.com/image/family_tree.jpg