| Polish word | English word | History |
| adoptowany | adopted | |
| adopcja | adoption | |
| ciotka | aunt | |
| brat | brother | |
| dziecko | child | |
| dzieci | children | |
| kuzyn | cousin | |
| córka | daughter | |
| drzewo genealogiczne | family tree | |
| ojciec | father | |
| teść | father-in-law | |
| wnuki | grandchildren | |
| wnuczka | granddaughter | |
| dziadek | grandfather | |
| babcia | grandmother | |
| wnuk | grandson | |
| prawnuczka | great-granddaughter | |
| prawnuki | great-grandchildren | |
| pradziadek | great-grandfather | |
| prababcia | great-grandmother | |
| prawnuczek | great-grandson |