Morgan was born circa 1479 in Llanishen, Glamorganshire, Wales, Llanishen, Glamorganshire, Wales to William Ap Yeuan Williams (c1443-) and Joan Tudor (c1453-1495) . He married Katherine Cromwell (c1468-) 1 JL in Putney Church, Surrey, England.
Note that the learned genealogists at https://groups.google.com/forum/?hl=en#!topic/soc.genealogy.medieval/Itpc3_i-_7Y consider that the marriage of William Williams to a Joan Tudor was a fiction, probably created to boost the later Cromwells.
|Offspring of Morgan and Katherine Cromwell (c1468-)|
|Richard Williams Cromwell (c1495-c1550)||1495||1550||Frances Murfyn (c1498-1533)|