Teir was a subsistence farmer, who worked The Hinterlands under Baron Conrad of House Mercedes. He is the paternal grandfather of both Aramil and Vincent.
The Timeline for Aramil & Vincent:
Apr 1081 - Teir, a farmer under Baron Conrad of the House Mercedes, dies, leaving his family in poverty. His wife, Sesyi, keeps the family together.
Jan 1083 - Aramil born (actual date unknown, later assumed to be Sep 1082)
Nov 1083 - Sesyi, wife of Teir, dies; Waran decides to leave to seek his fortune, leaving his brother Areno to run the farm alone.
Dec 1085 - Goblins invade farmlands in Mercedes's hinterlands barony; Baron Conrad flees, providing insufficient assistance for his serfs to defend themselves; Aramil's parents, Areno and Nysriss, are killed while they try to flee; The 3-year-old Aramil and his 16-month-old brother, Teir, are taken by the goblins; Aramil is rescued by Delkin, the ranger, but Teir is not. (Aramil's memory of this event was erased by a magical potion - including the existance of his brother)
Jan 1086 - Waran, Areno's brother, returns to the hinterlands; finding no trace of his brother, he heads out to seek revenge against House Mercedes and/or the goblins.
Dec 1086 - The “badly beaten” Waran staggers into the Mercedes barony and is nursed back to health by Velova, the baron's 18-year-old daughter. He tells them his name is “Daniel”.
Sep 1087 - “Daniel” disappears, leaving a pregnant Velova behind.
Mar 1088 - Vincent born.
Oct 1102 - Ourai uprising. Aramil is 20, Vincent is 14.
Dec 1104 - Dark Mage's zombie armies march. Aramil is 22, Vincent is 16.
Sep 1105 - Ourai revolt finally put down. Aramil is 23, Vincent is 17.