Tomb of Sancha Alfonso de León Historical milestone · Olmos de Ojeda, La Ojeda, Palencia Image of Olmos de Ojeda, not of the place itself. Among the noble ladies buried in Santa Eufemia de Cozuelos is Sancha Alfonso of León, sister of King Fernando III, who died in 1270 when the monastery was the first female commandery of the Order of Santiago. 1270 Photo: José Luis Filpo Cabana (CC BY-SA 4.0) What to see and do in Olmos de Ojeda