Tags: Noble.
Seguin II (died 846) called Mostelanicus was the Count of Bordeaux and Saintes from 840 and Duke of Gascony from 845. He was either the son or grandson of Seguin I the duke appointed by Charlemagne.When Louis the Pious subdued Aquitaine and took it from his rebellious grandson Pepin II in 839 he began partitioning it into counties for those loyal to him. Seguin was one of the new counts.