William de BALDERSTON 
William de was born about 1177 in Osbalderston, Lancashire, England. William de's father was Ailsius or Eilfi OSBALDERSTON and his mother was Wimara UNKNOWN. His paternal grandfather was Hugh BALDERDSTON. He was an only child. He died after 1224.
He had a biological son named Richard de.
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Children
Richard de BALDERSTON
Richard de was born in 1208 in Osbalderston, Lancashire, England. He died at the age of 58 in 1266.