| data.doges | Load data into the environment | 
| doge.families | Load the list of families that became doges, and their numbers | 
| doges.marriages.sn | Data on doges' (and parents) matrimonial links | 
| doges.years | Sub-dataset with the list of doges, their family and when it happened. | 
| family.colors | Pre-assigned colors for every type of family | 
| family.types | Load data for Venetian family types into the environment | 
| marriage.graph | Data on doges' matrimonial links | 
| marriage.graph.slice | Data on doges' matrimonial links |