Correct Option (C):
Statement 2 is correct. Gautama Buddha's mother, Mahamaya, was a princess from the Koshalan dynasty. She was married to King Suddhodana, the ruler of the Shakya clan.
Statement 3 is correct. Parshvanatha, the twenty-third Tirthankara in Jainism, was born in Varanasi, which is also known as Benaras. His birthplace is a significant historical detail regarding his life.
Incorrect Options:
Statement 1 is incorrect. Vardhaman Mahavira's mother, Trishala, was the sister of Lichchhavi chief Chetaka, not his daughter. This relationship established a strong political and social connection between Mahavira's family and the powerful Lichchhavi clan.