The Ultramarines 121st Chapter, 1st Battalion, 1st Company or “The Daughters of Guilliman,” is a grouping of approximately 100 Astartes. The 121st Chapter consists of ten Companies split across two Battalions. Each Company is about the same size as the Daughters, and the 121st Chapter totals around 1,000 Astartes. The 1st, 2nd, and 3rd Companies…