I noticed that in this Sir John Winter's profile notes it states:
"John's parents are uncertain. His father is not (as often claimed) Robert Winter, son of Roger Winter and Elizabeth Hungerford, because that Robert Winter was born about 1520 according to information given in the Visitations of Gloucestershire."
and yet, Robert Winter is attached as his father.
I find that this site is usually correct:
https://www.stirnet.com/genie/
and they have the genealogy as follows:
'Winter01'Index links to: Lead / Letter
Families covered: Winter of Coleford, Wynter of Dyrham Park (Winter of Derham), Winter of Dymock, Wintour (Winter) of Huddington, Winter (Wintour) of Lydney
Parents for this Sir John are listed as:
Robert Winter of Hodyngton (b c1501, d 1549)
m1. Katherine Throgmorton (dau of Sir George Throgmorton)
Katherine's name is also seen elsehwere as Throckmorton.
The profile attached for father Robert shows he was married to Elizabeth Winter (Wyrrall) and Margery Wynter (Huddington), but this site:
https://freepages.rootsweb.com/~pillagoda/genealogy/ch10-03.htm
states:
"According to the Visitation of Worcestershire (1569) Robert married Elizabeth Wyrall as his first wife and Katherine Throckmorton as his second wife. She outlived him to marry Thomas Smyth of Chipping Campden and is mentioned in his inquisition postmortem. However this does not explain why Robert's son John (if by his first wife Elizabeth Wyrall) did not inherit Huddington."
So that indicates that Robert and Elizabeth Wyrall did have a son named John but is not mentioned specifically as the John who married Alice Tirry. In fact, Alice and her family aren't mentioned on the site.
It goes on to state such things as:
" There is some confusion here about how the Winters of Lydney were related to the Winters of Huddington but in the reign of Charles I, Sir John Winter of Lydney was known as a cousin of the Gunpowder Plotters....John Winter of Lydney may have been the same person connected with or mentioned in a cartulary of an abbey or monastery in Brecon and was ward of Sir Nicholas Poyntz of Iron Acton."
which clearly indicates they don't know how this Sir John Winter of Lydney connects to the others, which confirms the profile note that his parents are unknown.