Siward FitzDunning (Sir) de LATHOM 
Siward FitzDunning (Sir) de was born on July 4th, 1073 in Lathom, Ormskirk, Lancashire, England. Siward FitzDunning (Sir) de's father was Dunning (Sir) de LATHOM and his mother was Marigard de ESSEX. He was an only child.
They had a son named Henry FitzSiward (Sir) de.
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Children
Henry FitzSiward (Sir) de LATHOM
Henry FitzSiward (Sir) de was born on April 27th, 1093 in Lathom, Ormskirk, Lancashire, Egland. He died at the age of 35 on June 12th, 1128.