How do you say that parents died as early as in Buddhism?

My father and mother died very early. Among them, "past life" is a Buddhist term, indicating respect for the dead. In a broad sense, "past life" and "death" are the same. In a narrow sense, "past life" refers to "past life in the pure land of western bliss", which means to die in this world and be born in the western paradise.

Buddhism pays attention to the cycle of life and death, karma. Good is rewarded, and evil is rewarded. After death, the blessed go to heaven, go to the western paradise, and the evil go to hell. Therefore, after parents die young, according to Buddhism, children use past lives to show respect.