Descendants of Countess of Arundel Alesia DI SALUZZO
UNKNOWN - 1292 8th Earl of Arundel Richard FITZALAN (3 Feb 1266/67 - 9 Mar 1301/02)(m. Bef 1285)
   └─ Eleanor FITZALAN (1284 Arundel, Sussex, England - 1 Jul 1328 Scarborough, Yorkshire, England)
    1st Baron Alnwick Henry PERCY (25 Mar 1273 Petworth, Sussex, England -
    2 Oct 1314 Alnwick, Northumberland, England)(m. 1299 Alnwick, Northumberland, England)
    2 Oct 1314 Alnwick, Northumberland, England)(m. 1299 Alnwick, Northumberland, England)
       └─ 2nd Baron Alnwick Henry PERCY (6 Feb 1301 Leconfield, Yorkshire, England -
        26 Feb 1352 Warkworth, Northumberland, England)
        26 Feb 1352 Warkworth, Northumberland, England)
        Idonea CLIFFORD (28 Aug 1301 Appleby, Westmoreland, England -
        24 Aug 1365 Alnwick, Northumberland, England)(m. 1321 Yorkshire, England)
        24 Aug 1365 Alnwick, Northumberland, England)(m. 1321 Yorkshire, England)
           └─ 3rd Baron of Alnwick Henry PERCY (Alnwick, Northumberland, England;1322 - 17 Jun 1368)
            Mary PLANTAGENET (1320 Tutbury, Staffordshire, England -
            1 Sep 1362 Alnwick, Northumberland, England)
            1 Sep 1362 Alnwick, Northumberland, England)
               └─ 1st Earl Northumberland Henry PERCY (10 Nov 1341 Alnwick, Northumberland, England -
                19 Feb 1407 Bramham, Yorkshire, England) =>
                19 Feb 1407 Bramham, Yorkshire, England) =>
                + Margaret NEVILLE (12 Feb 1339 Raby, Durham, England -
                12 May 1372 Alnwick, Northumberland, England)
                12 May 1372 Alnwick, Northumberland, England)