Nielsen Hayden genealogy
Robert fitz Aer
- Abt 1174(
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- 1 Robert fitz Aer [1] d. Abt 1174
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- 2 Robert Fitz Aer [1.1] d. Aft May 1165
- Emma de Say d. Aft 1201
- 3 William Fitz Aer [1.1.1] d. Bef 18 Aug 1245
- Margery de Harcott d. Aft 1270
- 4 John Fitz Aer [1.1.1.1] b. Aft 1234 d. Bef 16 Jan 1293
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- 4 John Fitz Aer [1.1.1.1]
- 3 William Fitz Aer [1.1.1]
- 2 Robert Fitz Aer [1.1]