The Annales Londonienses name "Margarete countesse de Ferreres et Eleyne la Zusche et la countesse de Bougham" as the three daughters of "Eleyn countesse de Wynton", naming "Roger la Zusche" as son of "Eleyne la Zusche" and "de Roger, Aleyn". A charter dated 3 Dec 1274 records the homage of "Elena la Zusche another daughter and heir of Roger [de Quency earl of Wynton]" for her part of the lands "lately held in dower by Alianora de Vaux late countess of Wynton widow of the said Roger".
Inquisitions after a writ 20 Aug "24 Edw I", following the death of "Elena la Zousche...", name “Alan la Suches [...son of Sir Roger de la Suche] aged 24 [...and more...aged 28 at the feast of St. Giles last] is her next heir” and record “Oliver la Suches” doing the service of 1 knight in Disard, Strahon and Lokeris, Fifeshire. 1
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28 Dec 1270, Winchester
[Grant to] Ellen late the wife of Alan la Zuche; attorney, Roger la Zuche, John de Oxendon and William de Florencia; until Michaelmas.
Calendar of Patent Rolls, Hen. III, vol. 6, p. 587
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10 Jan 1271, Westminster
[Simple protection with clause] until Michaelmas, for Ellen late the wife of Alan la Zuche, going to Scotland for her business.
Calendar of Patent Rolls, Hen. III, vol. 6, p. 504
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10 Oct 1284, Conway
Protection, with clause volumus, for one year, for Elena la Zuche, going to Scotland.
20 Oct 1284, Carnarvon
Letters for Elena la Zuche, going to Scotland, nominating Geoffrey de Hauso and Gilbert de Kirkeby her attorneys for one year.
Calendar of Patent Rolls, Edw. I, vol. 2, pp. 136, 137
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28 Apr 1286, Westminster
Licence for the alienation in mortmain by Ellen la Zuche to the master and brethren of the Hospital of Lepers without Brackele of 10 marks in rent in Brackele for the maintenance of two chaplains in the said hospital.
Calendar of Patent Rolls, Edw. I, vol. 2, p. 237
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Inquisition Post Mortem
363. HELEN (Elena) LA ZOUSCHE alias LA SUCHES, LA ZUCHE, DE LA ZUCHE, DE LA SUCHE. 2
Writ, to the sheriff of Fife, 20 Aug. 24 Edw. I. [1296]
FIFE. Inq. made at Berwyck on Monday after St. Bartholomew, 24 Edw. I.
Disard and Strahon. A third part of the lands of Disard and Strahon, held of the king in chief; and the free service of Roger de Schazawy, and a third part of 1/2 mark of assised rent from him.
Alan la Suches, aged 24, is her next heir, and he has done homage to the king for the above lands and others which he holds in Scotland by doing homage for the land aforesaid.
Oliver la Suches does a third part of the service of one knight for the aforesaid lands and the land of Lokeris.
Writ to the sheriff of Dumfries (Dounfres), 20 Aug. 24 Edw. I.
DUMFRIES. Inq. made at Berewyk on Sunday after St. Bartholomew, 22 Edw. I.
Girtun. A third part of the town.
Saverayk. A third part of the town.
Treuqr’ and Drumslet. A sixth part.
Keltun. 1 mark of land and a pound of wax.
All held of the king in chief owing the service of 1 1/2 knight and a third part of 1/2 knight.
Alan la Zuche, aged 24 and more, is her next heir.
Writ to the sheriff of Ayr (Are), 20 Aug. 24 Edw. I.
AYR. Inq. made at Berwyk on Tuesday after St. Bartholomew, 24 Edw. I.
Conyngham. A third part of a moiety of Irwyn, held of the king in chief by service of three parts of 1 knight.
Sir Alan de Zuche, aged 24 and more, is her next heir.
Writ to the sheriff of Wigton, 20 Aug. 24 Edw. I.
WIGTON. Inq. made at Beruuich on Saturday after St. Bartholomew, 24 Edw. I.
Mauhirton. A third part of the town held of the king in chief by the service due in the sheriffdom of Dumfries (Drumfres).
Alan Lachuche, aged 24 and more, is her next heir.
Writ to the sheriff of Berwick upon Tweed, 20 Aug. 24 Edw. I.
BERWICK. Inq. Saturday after St. Bartholomew, 24 Edw. I.
Lowedyr. A third part of a moiety of the town and dale held of the king in chief by service of 1 knight.
Alan la Zuche, aged 24 and more, is her next heir.
Writ to the sheriff of Edinburgh (Edeneburgh), 20 Aug. 24 Edw. I.
EDINBURGH SHERIFFDOM. Inq. made at Berwic on Sunday after St. Bartholomew, 24 Edw. I.
Travirnent. A capital messuage and 3 carucates of land, 46s. 8d. assised rent from a coalmine (in carbonaria), 33s. 4d. from a mill, and 11s. 1d. from the land of Fauside.
Nudreff’. 3 carucates of land in demesne.
Caldor Cler. 2 carucates of land.
All held of the king in chief, service unspecified.
Sir Alan de la Suche son of Sir Roger de la Suche, aged 24 and more, is her next heir.
LEICESTER. Inq. (undated).
Schepeshevede. A third part of the manor (extent given) held of the king in chief for 1/9 knight’s fee, doing the scutage thereof when it runs; and 4 virgates of land each worth 9s. 3d. yearly held of William de Ferariis to whom she renders as much yearly.
Alan la Zouche, her son, is her next heir and of full age.
NORTHAMPTON. Inq. 14 Sept. 24 Edw. I.
Hausho. The manor (extent given) held of the king in chief by service of 1/2 knight’s fee.
Brackele. The township (extent given), pertaining to the manor aforesaid, out of which 6l. 13s. 4d. are paid to the prior of Brackele. And there is there a foreign court called the honour of Wyncestre.
Alan la Zouch, aged 28 at the feast of St. Giles last, is her next heir.
C. Edw. I. File 76. (3.)
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14 Oct 1296, Kirkham
To Malcolm de Harlegh, escheator beyond Trent. Order to cause Alan la Zousche to have seisin of the lands whereof Ellen la Zousche was seised in her demesne as of fee at her death, as the king learns by an inquisition taken by the escheator that Ellen at her death held divers lands of the king in chief, and that Alan is her next heir* and is of full age, and the king has rendered them to Alan, wishing to show him special favour as he is staying in Gascony in the king's service. It is provided that Alan when he returns to England shall come to the king to do homage for the said lands and to pay his relief.
* Ellen's grandson
Calendar of Close Rolls, 24 Edw. I, p. 494