Answer
Saalumarada Thimmakka is a popular social worker from India. She is best known for her efforts in planting trees and spreading awareness about the importance of forests. She is known as the "mother of trees" and has been awarded the Padma Shri and the Padma Bhushan. Thimmakka did not have any natural children. However, she has many adopted children and grandchildren who continue her legacy of planting trees.