<a href="https://en.wikipedia.org/wiki/Adela_of_Normandy" class="extiw" title="w:Adela of Normandy">Adela of Normandy</a>
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://www.bl.uk/manuscripts/Viewer.aspx?ref=royal_ms_14_b_vi_f001r">Royal MS 14 B VI (genealogical roll of the kings of England). Page 5.</a>