Complex sentence: Born in Syria in 1830, he was taller than the average Arabian of the time, standing 15.2-1/2 hands high (62 1/2 inches at the withers).
Split into simpler sentences: Born in Syria in 1830, he was tall for an Arabian. Shagya stood 15.2-1/2 hands high (62 1/2 inches at the withers).