<prompt> Translate the following text to EnglishMargaret alikuwa mwanamke mwenye uaminifu sana, na baadaye alitangazwa kuwa mtakatifu, na mwanawe mdogo, David I 1124 - 1153 alianzisha kanisa kwa jina lake kwenye sehemu ya juu zaidi ya Castle Rock.  <response>: Margaret was a deeply pious woman who was subsequently canonized, and her youngest son, David I 1124 1153, founded a church in her name on the highest point of the Castle Rock St. 