Genuit puerpera regem cui

Source: 
Rome, Santa Sabina, XIV L1 ("Humbert" codex)
Folio: 
237r
Sequence: 
6
Feast: 
Nativitas Domini
Office/Mass: 
L
Genre: 
A
Position: 
2
Cantus ID: 
002938
Mode: 
2
Manuscript Reading Full Text (standardized spelling): 
Genuit puerpera regem cui nomen aeternum et gaudium matris habens cum virginitatis honorae nec primam similem visa est nec habere sequentem alleluia