Posthumous

κοιλάρφανος

koilárfanos

(born after one's father's death)

μεταθανάτιος

metathanátios

(taking place after one's death)

μεταθανάτιος

metathanátios

(in reference to a work, published after the author's death)

οψιγενής

opsigenís

(born after one's father's death)