Complex sentence: Bolko I decided to give his brother assistance; however, the price for it was quite high: only after Henry V give him the towns of Świdnica, Ząbkowice, Ziębice and Strzelin Bolko I sent troops and food to Wroclaw and Legnica.
Split into simpler sentences: Bolko I decided to give his brother assistance; however, the price for it was quite high. Only after Henry V give him the towns of Świdnica, Ząbkowice, Ziębice and Strzelin Bolko I sent troops and food to Wroclaw and Legnica.