I have
Sarah de Carminow formerly Hornacote
Born about 1207 in Tintagel, Cornwall, Englandmap [uncertain]
ANCESTORS ancestors
Daughter of Gervais Hornacote and Unknown (Unknown) Hornacote
[sibling(s) unknown]
Wife of Roger Carminow — married 1239 in Tingtagel,,Cornwall,Englandmap
DESCENDANTS descendants
Mother of Roger Carminow
Died 1302 at about age 95 in Cornwall
Sources
↑ A source for this information is needed.
The dates don't rally agree with your question.
The information comes from
https://www.wikitree.com/wiki/Hornacote-1I don't know how reliable it is.