Sancho *Castile

Sancho was born before 1040.  Sancho's father was King of Castile, Emperor of Leon Ferdinand (The Great) Castile I and his mother was Sancha Leon.  His paternal grandfather was Sancho Navarre * III and his paternal grandmother is Nunnia Castile *. He had two brothers and a sister, named Garcia, El Bravo (the Brave) and Urraca.  He died  due to murdered.