Brandon Stark (son of Rickard)

From Asoiaf

Brandon of House Stark was the first son of Rickard Stark, Lord of Winterfell.

262 AL Brandon was born.

His younger brother Eddard was born.

267 Al His younger sister Lyanna was born.

Hoster Tully promised his twelve year old daughter Catelyn to Brandon Stark

Lyanna was betrothed to Robert Baratheon, Lord of Storm's End

Brandon was strangled on the order of Aerys II Targaryen, King of the Seven Kingdoms a few days before his wedding to Catelyn Tully. His father was forced to watch.