So Genesis 49:10 says that royal line of Israel would rise from the tribe of Judah, and that it will always have royal authority until the Messiah comes. (redeeminggod.com)
They were helpless sheep, tenderly cared for and protected; but they were also subjects of the Supreme Ruler of the Universe; indeed they were the King's sons, with whom it was his sovereign will and fatherly pleasure to share his own royal authority and power. (religion-online.org)
Boniface VIII, who in his bull Unam sanctam had registered the high - water mark of Papal claims to supremacy over civil rulers, was imprisoned by King Philip the Fair, who was augmenting the French royal authority, and, although soon released, died within a few weeks. (religion-online.org)