Sir John Howard
- Yes, date unknown(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Sir John Howard [1] d. Yes, date unknown
- Joan Walton d. Yes, date unknown
- 2 Elizabeth Howard [1.1] d. Yes, date unknown
- John de Vere, 12th Earl of Oxford d. Yes, date unknown
- 3 John de Vere, 13th Earl of Oxford [1.1.1] b. 8 Sep 1442 d. 10 Mar 1513
-
- 4 Katherine de Vere [1.1.1.1] b. Abt 1472 d. Abt 1504
[ =>]
- 4 Katherine de Vere [1.1.1.1]
- + Elizabeth Scrope d. 1537
- + Margaret Neville d. Between 20 Nov 1506 and 14 Jan 1507
- 3 John de Vere, 13th Earl of Oxford [1.1.1]
- 2 Elizabeth Howard [1.1]