Various, Encyclopaedia Britannica, 11th Edition…
“ Nassau, now grown to man’s estate, began to display those military talents which were to gain for him the fame of being the first general of his time. But Maurice was no politician. He had implicit trust in the advocate, his father’s faithful friend and counsellor, and for many years to come the statesman and the soldier worked in harmony together for the best interests of their country (see Oldenbarneveldt, and Maurice, prince of Orange) . At the side of Maurice, as a wise adviser, stood his cousin William Louis, stadholder of Friesland, a trained soldier and good commander in the field. ”
