It is possible that the figure of the Virgin and the two seated apostles (the head of the figure behind is a medieval replacement) come from a panel representing the pentecost. The figure of Saint Martin came from another window dedicated to that saint.
From the ambulatory (?) of the Cathedral of Saint-Gatien, Tours; [ Nicolas Brimo, Paris] ; [ André Lion, Paris (sold 1937)]
Hayward, Jane. "Stained-Glass Windows." The Metropolitan Museum of Art Bulletin, n.s., 30, no. 3 (December 1971-January 1972). p. 115.
Papanicolaou, Linda Morey. "Stained Glass from the Cathedral of Tours: The Impact of the Sainte-Chapelle in the 1240s." Metropolitan Museum Journal 15 (1980). pp. 53-66, fig. 3.
Caviness, Madeline H., ed. Stained Glass Before 1700 in American Collections: New England and New York (Corpus Vitrearum Checklist I). Studies in the History of Art, Vol. 15. Washington, D.C.: National Art Gallery, 1985. p. 99.
Hayward, Jane. English and French Medieval Stained Glass in The Collection of The Metropolitan Museum of Art: Volume 1, edited by Mary B. Shepard, and Cynthia Clark. Corpus Vitrearum USA, Vol. 1. New York: The Metropolitan Museum of Art, 2003. no. 27, pp. 154-157, fig. 27.