Maximilian 's Philip of Burgundy appointed Jannetto 's brother Francisco as capitaine et maistre de nos postes in 1502 .
It was a payment dispute between the two which caused Francisco to open the family 's network to public correspondence in 1506 .
Maximilian 's Philip of Burgundy appointed Jannetto 's brother Francisco as capitaine et maistre de nos postes in 1502 and it was a payment dispute between the two which caused Francisco to open the family 's network to public correspondence in 1506 .