1. Gilbert FitzRichard de Tonbridge has few details recorded about him.
Gilbert FitzRichard de Tonbridge had the following children:
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2. Alice de Tonbridge, daughter of Gilbert FitzRichard de Tonbridge, married William de PERCY.
William de PERCY was the son of William "Algernon" de Percy (c. 1040- ) and Emma de Port ( - ). He and Alice de Tonbridge had the following children:
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3. Adelaide, daughter of Gilbert FitzRichard de Tonbridge, married William de PERCY.
William de PERCY was the son of William "Algernon" de Percy (c. 1040- ) and Emma de Port ( - ). He and Adelaide had the following children:
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4. Agnes de Percy, daughter of William de PERCY and Alice de Tonbridge, was born in 1134. She died in 1204. She married Josceline de Louvain of Petworth.
Josceline de Louvain of Petworth was the son of Godfrey Brabatus, Duke of Lothier (1060-1139). He and Agnes de Percy had the following children:
| 6 | Henry de PERCY (c. 1145-1198). Henry was born circa 1145. He died in 1198. He was buried in Abbey St. Lo, Normandy, France. |
5. Agnes de Percy, daughter of William de PERCY and Adelaide, married Josceline de Louvain of Petworth.
Josceline de Louvain of Petworth was the son of Godfrey Brabatus, Duke of Lothier (1060-1139). He and Agnes de Percy had the following children:
| 7 | Henry de PERCY (c. 1145-1198). Henry was born circa 1145. He died in 1198. He was buried in Abbey St. Lo. |