Lajos was born on June 13th, 1907 in Sáp and his baptism took place there on June 10th, 1907.1 Lajos' father was Gyula Körtvélyesi and his mother was Karolina Végh. His paternal grandparents were Mihály Körtvélyesi and Zsuzsanna Jámbor. He had two brothers named Gyula and Karolina. He was the second oldest of the three children. He had a half-sister named Körtvélyesi. He died at the age of 64 on April 10th, 1972 in Sáp.2