, and were eminent nobles of that land. In 1008 they were the Comtes de Porrhoet et de Rennes. In 1128 they became the Viscomtes de Rohan. In 1485 they were the Barons de Lanvaux, and in 1572 they were the Princes de Lèon. In 1588 they were Dukes of Montbazon. In 1603 they were Dukes of Rohan. In 1667 they were Princes of Montauban and Soubise. In 1816 they were the Dukes of Bouillon.
This web page shows only a small excerpt of our Derohan research.Another 253 words (18 lines of text) covering the years 1570, 1734, 1803, 1728, 1579, 1638, 1635, 1674, 1600 and 1679 are included under the topic Early Derohan History in all our PDF Extended History products and printed products wherever possible.
Some of the first settlers of this family name or some of its variants were: John Rohan who settled in Philadelphia, Pennsylvania in 1868; Fanny Rohan and her son Tim, aged 7; arrived in New York State in 1853.