MDG - Contact Person migration - BP relationships

Hello Dear MDG experts, a question in case you could support on it:

As part of MDG migration related to Contact persons (from table KNVK: SAP Customer Master Contact Partner Table) we are looking to know if they’re related to BP relationships

In case yes, do you know if there's any standard excel template to perform the migration using MDG Consolidation tool Fiori app?

Many thanks in advance