Constance was born about 1347 in Pontefract castle, Wakefield, West Yorkshire, England , the daughter of unknown parents.
Her husband was Robert Knollys. They were married, but the date and place have not been found. Their only known child was Robert (c1330-1407).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1347 |
|