name the office holder with associate as publius servilius vatia isauricus and has a kid named caesarion ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_associate dbr_Publius_Servilius_Vatia_Isauricus_ attr_open consul_48_BC attr_close sep_dot var_uri dbo_child dbr_Caesarion sep_dot var_uri a dbo_OfficeHolder brack_close