an Entity references as follows:
Count Adolf III of Nassau-Wiesbaden-Idstein (by a different way of counting: Adolf IV; 10 November 1443 – 6 July 1511) was a son of Count John II of Nassau-Wiesbaden-Idstein and his wife Mary of Nassau-Siegen (1418–1472). After his father's death in 1480, he ruled Nassau-Wiesbaden and his brother Philip ruled Nassau-Idstein. After Philip's childless death in 1509, Adolf III ruled also ruled Nassau-Idstein.