Familie: DE PERCY, 2nd Baron 2nd Baron Henry / DE CLIFFORD, Idonea (F7627)
verh. Datum unbekanntDE PERCY, Henry (1273- ) 
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FITZ ALAN, Eleanor (1274-1328)
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| DE PERCY, Isabel (1299-1368) |
| DE PERCY, William (1301-1355) |
| DE PERCY, Maud (1302- ) |
| DE CLIFFORD, Robert ( -1314) |
| DE CLARE, Maud (1276- )
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| DE CLIFFORD, Roger (1300-1322) |
| DE CLIFFORD, Robert (1305-1344) |
| DE PERCY, 2nd Baron 2nd Baron Henry (1301-1352)
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| DE CLIFFORD, Idonea (1300-1365)
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| DE PERCY, Alianora (1315-1361) |
DE PERCY, Henry (1320-1368)  |
| DE PERCY, Margaret (1320-1376) |
| DE PERCY, Richard (1322- ) |
| DE PERCY, Isabel (1324-1368) |
| DE PERCY, Roger (1324- ) |
| DE PERCY, Eleanor (1325- ) |
| DE PERCY, Robert (1326- ) |
| DE UFFORD, Margaret (1330-1375) |
| DE PERCY, Henry (1331- ) |
| DE PERCY, Wiliam (1332-1355) |
| DE PERCY, Eleanor (1336-1376) |
| DE PERCY, Robert (1338- ) |