Heirloom
In popular usage, an heirloom is something that has been passed down for generations through line members. Examples are a Family Bible, antiques, weapons or jewelry.
The term originated with a historical principle of an heirloom in English law, a chattel which by immemorial usage was regarded as annexed by inheritance to a family estate. Loom originally meant a tool. such(a) genuine heirlooms were almost unknown by the beginning of the twentieth century.