Jackson, Patron, p. 217. But on p. 221 the Dpa' bo VIII is named Dpa' bo Gtsug lag chos rgyal! On p. 255, the 7th incarnate is called Gtsug lag dga' ba and the dates 1718-1781. Here the eighth incarnate is called Gtsug lag chos kyi rgyal po (fl. early 19th century).