June 6, 1868: Trinidad Rizal, younger sister of Jose Rizal, was born in Calamba, Laguna
On June 6, 1868, Trinidad Rizal Mercado y Alonso Realonda, commonly known as Trinidad Rizal, was born in Calamba, Laguna. She was the tenth child of Francisco Rizal Mercado and Teodora Alonso Realonda, the younger sister of the national hero, physician and writer, Dr. Jose Rizal.