Ágnes was born on March 12th, 1835 in Földes. Ágnes' father was János Körtvélyesi and her mother is <Unknown>. Her paternal grandparents were István Körtvélyesi and Mária Domokos. She had a brother and a sister, named János and Ágnes. She was the second oldest of the three children. She died at the age of 1 on December 6th, 1836 in Földes.