Complex sentence: Born in Christiania, Ruud was the youngest daughter of a prosperous merchant, I.A. Ruud, experiencing a happy childhood in a large property with geese and poultry on the grounds.
Split into simpler sentences: Born in Christiania, Ruud was the youngest daughter of a prosperous merchant, I.A. Ruud. She enjoyed a pleasant childhood in a large property with geese and poultry on the grounds.