Textual history Decretum Gratiani

an illustration 13th-century manuscript of work, illustrating kinds of blood relatives , common ancestry made marriage impossible , contracted marriages null - has since been dispensed third cousins can marry.

this field of inquiry hampered ignorance of compiler s identity , existence of manuscripts abbreviated versions of text or variant versions not represented winroth s 2 recensions. 1 of these manuscript st. gall, stiftsbibliothek, 673 (=sg), have argued contains earliest known version (borrador) of decretum, other scholars have argued contains abbreviation of first recension expanded texts taken second recension.