February 27, 1607, Pankratz, Bohemia (now Jítrava, Czechia).
January 13, 1662, Zittau, Germany.
Christian was the son of Zacharias Keimann, Lutheran pastor at Pankratz.
He entered the University of Wittenberg in the fall of 1627 (MA March 19, 1634). In April 1634 the town council of Zittau appointed him Conrector of their Gymnasium; he became Rector there in 1638.
Keimann was a distinguished teacher, and wrote a number of scholastic publications, a few Scriptural plays, and 13 hymns.