William was born about 1360 in North Yorkshire, England, the son of sir Walter II de Lascelles and Isabel Bland.
His wife is not known. They were married, but the date and place have not been found. Their three known children were sir Robert (c1400-?), William II (c1380-?) and William I (?-?).
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William de Lascelles |
sir Walter II de Lascelles |
sir Walter I de Lascelles |
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sir John Bland |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | ABT 1360 |
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