Wives of Hazrat Usman (RA) namely Ruqayyah (RA) & Umm-e-Kulthum (RA) were the daughter of:

حضرت عثمان رضی اللہ عنہ کی ازواج مطہرات رقیہ رضی اللہ عنہا اور ام کلثوم رضی اللہ عنہا ۔ ۔ ۔۔ کی بیٹیاں تھیں

Hazrat Umar (RA)

Hazrat Muhammad (PBUH)

Hazrat AbuBakar (RA)

Hazrat Ali (RA)

Hazrat Ruqayyah was the Second daughter and third child of Hazrat Muhammad ﷺ

Hazrat Umm-e-Kalthum was 3rd daughter and 4th child of the Holy Prophet ﷺ

After the death of her sister Ruqayya left Uthman a widower, he married Umm Kulthum

Hazrat Usman (RA) could not participate in the Battle of Badr because his wife Ruqayyah (RA) was on his deathbed.

Ruqayyah (RA died on the victory day of the Battle of Badr.