ארמוני's father is שאול and his mother is ריצפה. His paternal grandfather is קיש. He is the oldest of two children. He has a brother named מפיבשת. He has five half-brothers and two half-sisters, named איש-בושת, יונתן, ישוי, מלכישוע, Abinadab ben, מיכל and מרב.