Joanna Grommicka

(born 1969) (b. 1969)

Parents

• Jerzy Grommicki
• Countess Elisabeth Potocka

Children

• Rose Dwernicka z Dwernik
• Louis Dwernicki z Dwernik
• Bianka Dwernicka z Dwernik
• Pauline Dwernicka z Dwernik

Siblings

• Piotr Jan Jerzy Grommicki
• Christine Grommicka

Partners

• Roman Joseph Antoine Dwernicki z Dwernik