Tassilo II, duke of Bavaria

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About Tassilo II, duke of Bavaria

From Wikepedia:

Tassilo II (died c.719) was a ruler in southern Germany.

He was the son, probably third, of Theodo of Bavaria and Folchaid. Sometime before 715, Theodo divided his duchy and associated with its rule the eldest two of his four sons. The eldest, Theodbert, was co-ruling as early as 702 and the second, Theobald, from 711. On Theodo's death (probably in 716), the division took full effect. It is not known if the was territorial (as with the Merovingians) or purely a co-regency (as with the later princes of Benevento and Capua). If the former, it seems to have followed the fourfold ecclesiastic division into dioceses which Theodo had effected. If that is the case, it is most probably that Tassilo ruled the diocese of Passau with his capital there at its see.

War broke out between the brothers soon after their father's death, but little in the way of details is known. About Tassilo's time as duke, next to nothing is known. His existence is confirmed in the "Codex of Salzburg" (Salzburger Verbrüderungsbuch) where he is listed as unmarried, though some surmise that a certain Waldrada, mentioned as a wife of Theobald, was in fact Tassilo's. On the other hand, he is attributed as the husband of Imma (d.c.750), by which he had Grimoald and Swanachild. Through Swanachild, Tassilo would be the father-in-law of Charles Martel. Because Swanachild is with certainty the niece of duke Odilo, one would be forced to assume that Odilo was brother or brother-in-law to Tassilo. Tassilo was dead by 719, as were all his brothers save Grimoald.

Sources

Lexikon des Mittelalters


Note from Justin Swanström, 3 March 2016:

English and German Wikipedia agree he was a son of Theodo II and Folchaid. Salzburger Verbrüderungsbuch says he was unmarried. However, some other unspecified source says he was the husband of Imma, and father of Grimoald and of the Swanachild who married Charlemagne.

Notice that if he did marry an Imma there is no evidence I can find that she was a daughter of Gottfried of Alemannia, or that she was also the wife of Theodebert II, or that she was the mother of a woman who married Angier / Avernus of Prüm.

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Tassilo II, duke of Bavaria's Timeline

690
690
715
April 715
Age 25
Bavaria, Germany
716
716
Age 26
719
719
Age 29
760
760
Age 29