ROGET THESAURUS
great-grandchild
Posterity
N
posterity, progeny, breed, issue, offspring, brood, litter, seed, farrow, spawn, spat, family, grandchildren, heirs,
great-grandchild, child, son, daughter, butcha, bantling, scion, acrospire, plumule, shoot, sprout, olive-branch, sprit, branch, off-shoot, off- set, ramification, descendant, heir, heiress, heir-apparent, heir- presumptive, chip off the old block, heredity, rising generation, straight descent, sonship, line, lineage, filiation, primogeniture, filial, diphyletic, the child is father of the man, the fruit doesn't fall far from the tree, like father, like son.