Theon Greyjoy is one of Robb's best friends. They joined the military together.
- He was 17 when he joined the military.
- He has one sister, Yara.
- He has two brothers who died in war before he joined.
- He is the youngest of his siblings.
- He pulled both Jon and Robb to safety when they were wounded on the battlefield.
- He is the sole surviving male of his family.
- Every male in his family joins the military.