祖 | zǔ | ancestor / forefather / grandparents | |
老人 | lǎo rén | old man or woman / the elderly / one's aged parents or grandparents | |
孝顺 | xiào shùn | filial / dutiful / devoted to one's parents (and grandparents etc) / to show filial piety towards (an older family member) / filial piety | |
祖父母 | zǔ fù mǔ | paternal grandparents | |
421 | sì èr yī | four grandparents, two parents and an only child |