Sancha was the daughter of Lope Íñiguez and Ticlo Díaz. The date and place of her birth have not been found.
Sancha López
Lope Íñiguez (c1050-1093)
Íñigo López de Ezquerra (-1076)
Toda Ortiz
Fortún Ochoa (1013-c1050)
Ticlo Díaz
Diego Álvarez de Oca