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> William Sinclair, knight (d.c.1270)

You can cite this record using this snippet: PoMS, no. 758 (https://poms.kdl.kcl.ac.uk/record/person/758/; accessed 25 November 2025)

William Sinclair, knight (d.c.1270)

Biography: father of William Sinclair (d.1299x1303). He was the son of John Sinclair. His floruit dates are probably correct as his earliest attestation, alongside his father, was probably as a young boy.
Floruits: 1200 × 1266
Family connections: » Gephi Visualisation

Total number of associated factoids: 17

Transaction factoids (2) Relationship factoids (3) Title factoids (6) Witnesses factoids (6)

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Date	Short Summary	Role	Witnesses	Source
unavailable	Return of charter of William of Ashby	named person (transaction)		3/52/2 (Dryb. Lib., no. 222)
unavailable	Resignation of right of land of ‘Ingelbristoun’ and a charter	named person (transaction)		3/52/3 (Dryb. Lib., no. 223)

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Date	Short Summary	Role	Source
1196 X 11 Jun. 1200	Son of John Sinclair (Familial relationship)	subject (relationship)	3/52/1 (Dryb. Lib., no. 221 )
Saturday 10 Jun. 1200	Son of John Sinclair (Familial relationship)	subject (relationship)	3/52/2 (Dryb. Lib., no. 222)
15 Jun. 1200	Son of John Sinclair (Familial relationship)	subject (relationship)	3/52/3 (Dryb. Lib., no. 223)

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Date	Short Summary	Source
1206 X 1242	Dominus (Lord/Sir)	3/643/2 (Newb. Reg., no. 50A)
1206 X 1242	knight	3/643/2 (Newb. Reg., no. 50A)
circa 1261 X 1268	Dominus (Lord/Sir)	3/70/2 (SHS Misc. xiii, no. 7)
circa 1261 X 1268	knight	3/70/2 (SHS Misc. xiii, no. 7)
1266 X 1270	Dominus (Lord/Sir)	3/16/29 (Dupplin Chrs., no. 114)
1266 X 1270	knight	3/16/29 (Dupplin Chrs., no. 114)

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Date	Short Summary	Source
unavailable	Gift of land in the villa of Leith	3/643/2 (Newb. Reg., no. 50A)
1196 X 11 June 1200	*Quitclaim (return) of charter of William of Ashby	3/52/1 (Dryb. Lib., no. 221 )
9 October 1211 X 1233	Gift of Wester Coull in Mar (ABD)	3/12/11 (NRS, RH 1/2/31)
circa 1261 X 1268	Gift of ploughgate of Kirkwood	3/70/2 (SHS Misc. xiii, no. 7)
1266 X 1270	Gift of Glensalauch in the Mearns (prob. Glensaugh, Fordoun ph., KCD)	3/16/29 (Dupplin Chrs., no. 114)
25 March 1266	Confirmation of lands of Barmuir, Godenech and Mauchline and liberties in moor of 'Carentabel' and various other rights (AYR)	3/547/76 (Melr. Lib., no. 325)