The top layer of the window shows Christ enthroned in Heaven in circular frame with a cinquefoil opening around the frame are eleven angel faces with associated red wings. In this case it is not too difficult to imagine that these represent the “eleven that went to heaven”, though that doesn't seem to be the thinking in the quatrefoils in the layer below.

Houldsworth Window top Cinquefoil Christ in GloryLarge 2012007