| Families-package | Kinship Ties in Virtual Populations |
| Age | Age of ego or kin at given calendar date |
| Alive | Living status of individual at given age or calendar date |
| Db | Date(s) of birth in decimal format |
| Dd | Date(s) of death in decimal format |
| dLH | Individual fertility histories of members of a virtual population. Sample dataset. |
| FamiliesPop | Kinship Ties in Virtual Populations |
| IDau | IDs of aunts and uncles of ego |
| IDch | IDs of children of ego |
| IDfather | ID of father of ego |
| IDgch | IDs of grandchildren of ego |
| IDmother | ID of mother of ego |
| IDpartner | ID of partner of ego |
| IDsib | IDs of siblings of ego |
| Kin_long | Converts a list vector of kin into a dataframe of kin |
| Nkin | Number of kin of given type |
| PlotAges | Plots age distribution(s) of kin |
| Tests | Checks the input data |