Which preposition to use with suabian

by Occurrences 1%

Charlemagne was, besides, on his own account, on bad terms with the king of the Lombards, whose daughter, Desiree, he had married, and afterwards repudiated and sent home to her father, in order to marry Hildegarde, a Suabian by nation.

of Occurrences 1%

In Tübingen, on the contrary, even in Munich, to a great extent, the local dialect prevails to such a degree, that students from Northern Germany, many of whom frequent these cities in the summer session, find it difficult, nay, almost impossible, to understand at first, especially the broad Suabian of Tübingen.

Which preposition to use with  suabian