Narrative pedigree of the Alington family (early generations)

I. William Alington, died 1446 (or 1445).
He married, before 1409, Joan, [?]daughter of William Burgh; she died 1445/6.
By Joan, William had issue:

II. William Alington, died 1459.
He married, firstly, before 1427, Elizabeth, daughter of John Argentein; she was born 1411, and died [?]1445.
By her, William had issue:

William married, secondly, Mary, widow of Henry Hayward.
He married, thirdly, before 1454, Elizabeth, widow of John Heveningham, and daughter of John de Redesham; she remarried to John Wymondham, and died before 1473.

III. John Alington, born c.1428 and died 1480.
He married, before 1446, Mary, daughter of Lawrence Cheyne; she died [?]1473.
By her, John had issue: