Family: William Robert Williamson / Mary Robertson, Lady (F10369)
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Male
William Robert Williamson
Birth 1403 Herefordshire, England 
Death 1482 Herefordshire, England Burial Marriage Father William Robert Williamson | F9502 Group Sheet Mother Agnes Williamson | F9502 Group Sheet
Female
Mary Robertson, Lady
Birth 1410 Lincolnshire, England Death Yes, date unknown Burial Father Mother
Male
+ John Henry Williamson
Birth 1430 Dorsetshire, England Death 1488 London, England Burial Spouse Anne Haddle, Lady | F11043 Marriage
Male
+ Alexander Williamson
Birth 1435 Lincolnshire, England Death 22 May 1503 Lincolnshire, England Burial Spouse Alice Blount | F20521 Marriage