Who got the keys when they got married?

Brother of the groom or other young male relatives and friends. In the wedding ceremony, the person who holds the key is usually the groom's brother or other young male relatives and friends, because after exchanging vows and rings, the groom will give the bride a bouquet. Later, the groom's brother or other young male relatives and friends will hold a tray with keys and offer blessings to the bride. This key is usually regarded as the key to open the marriage hall, and it also represents that the bride and groom are about to start a new life.