Ormund Baratheon

Ormund Baratheon is an unseen character in Game of Thrones. He is not expected to appear in the show, being long dead by the time it begins. He was the Lord of Storm's End, Hand of the King and father of Steffon Baratheon.

Biography
Ormund was Hand of the King to Aegon V Targaryen and commanded the royal forces against Maelys Blackfyre during the War of the Ninepenny Kings. He died in the fighting, and according to singers, he spent his dying moments in the arms of his son, Steffon.

Reference

 * "War of the Ninepenny Kings"