How many years after Vladislaus' son Louis II was born did Habsburgs exert pressure on the Jagiellonians in which they arragned two royal weddings of Vladislaus' daughter with Maximilian's grandson and Maximilian's granddaughter Mary with Louis II?
return Vladislaus  's  son Louis II  was  born ;return Habsburgs did exert pressure on the  Jagiellonians in  which they arragned two royal weddings of Vladislaus  daughter with Maximilian 's  grandson and  Maximilian  's granddaughter Mary with  Louis II  ;return year of #1 ;return year of #2 ;return difference of #3 and  #4
['select', 'select', 'project', 'project', 'arithmetic']