~1355, Richard born in Cornwall, England.
10/1372, Indenture being a feoffment by Oto de Bodrugan, lord of Trelouthas … Witnesses:—Reginald Tretherf, … [Cornwall] (S) Ancient Deeds, V4, 1902, A.10101.
12/1373, Feoffment by John son and heir of William Poyher of Penhale ... of the rent and service of Reginald de Tretherf for 2 acres of land English in the town of Penhale [Cornwall]. (S) Cat. of Ancient Deeds, 1902, P480.
3/1374, Release by Ralph Clegher, lord of Nanshogh, to Reginald Tretherf, of all his right in Reginald’s lands in Tregonan and Tyndel. Witnesses: Oto Brodrugan, Ralph Trenewyth, ... (S) Cat. of Ancient Deeds, 1902, P504.
6/21/1377, Richard II, age 10, succeeded Edward III as King of England.
2/26/1388, Appointment … John Arundell, … and the sheriff of Cornwall to arrest and bring before the king and council Reginald Tretherf, who, with a large number of armed men, archers and others, obstructed John Lenhargy, under-sheriff of Cornwall, in the execution of the king’s writ … driving the under sheriff out of Wernek … (S) CPRs.
5/11/1388, Reynold Tretherf to John son of Lawrence Bevyle. Recognisance for 20 marks, to be levied etc. in Cornwall. (S) CCRs.
7/1389, Indenture being a feoffment by Reginald de Tretherf to Richard Reed ... in tail ... land in the borough of Graundpount ... saving suit of his court of Tretherf twice a year; with remainder in default to the heirs of the body of the said Richard ... [Cornwall] (S) Cat. of Ancient Deeds, 1902, P477.
7/17/1391, Commission … Reginald Tretherf similarly granted a messuage and an acre of land in Trevarthian to Robert Tresilian, knight, in fee tail, … (S) CPRs.
4/1401, Indenture by demise by Reginald Tretherff and John his son to John Lanhergy, for the term of 52 years ... town of Medschole ... (S) Cat. of Ancient Deeds, 1902, P543.
2/1/1402, Proceedings of a court [Lanhadron, Cornwall] … Reginald Tretherff, 1 acre at Treworvene in socage; 7 1/2d at Easter and Michaelmas and 1 pair of white gloves for all services. (S) UKNA.
By 1412, Reginald died.
Child of Reginald and ?:
i. John Tretherff (1901304), born ~1380 in England.