Lady Margaret Hynson

https://ancestors.familysearch.org/en/L78Y-1LD/lady-margaret-howard...

https://johnsonhansonfamily.com/familygroup.php?familyID=F565968057...

PARENTS: William Howard, 1st Baron Howard of Effingham 1510-1573 Marriage: 29 June 1535 of Lambeth, Surrey, England. Lady Margaret Gamage, Baroness Howard of Effingham 1510-1581

https://johnsonhansonfamily.com/getperson.php?personID=I671953448&t...

https://www.johnsonhansonfamily.com/getperson.php?personID=I6719534...

A Who?s Who of Tudor Women Kathy Lynn Emerson

The Howard children, according to a variety of lists, were Charles (1536-December 14, 1624), Mary (d.August 21, 1600), William (1538-September 2, 1600), Margaret (b.c.1544), Douglas (1545-December 11, 1608), Katherine (c.1546-1598), Edward (b.c. 1550), Henry (b.c.1552), Frances (c.1554-May 14, 1598), possibly a twin for Frances named Martha, Thomas (b.c.1556), Dorothy (b.c.1558), Anne (b.c.1560), Elizabeth (b.c.1562), and Richard (b.c.1564). Portraits: there was a portrait of Margaret Gamage, Lady Howard in the Pembroke collection in 1561

Wkipedia on William Howard says he and Margaret Gamage had 5 daughters but only lists 4. Margaret Howard who married Richard Allen Hynson is believed to be the other daughter.