I have information on Hedwig's mother's family. Her mother was Josefa Wierzbicki. Josefa's Parents were Wojciech (Adalbert) and Marianna Sholewczynska. Adelberts parents were Andrzej and Marianna (Strachanowska) Wierzbicki and Marianna's Parents were Joannes and Mariana (Wolinska) Cholewczynska. You can find marriage records at the Poznan project website.