Nope. His wife is the only one mentioned in the data according to the reporters:
> The third Spaniard to appear in the giant leak is the wife of former Spanish Agriculture Minister Miguel Arias Cañete, Micaela Domecq Solís-Beaumont, who was "empowered to approve transactions of Rinconada Investments Group SA, a Panama company registered in 2005 which was in existence while her husband Miguel Arias Cañete held public positions in Spain and the European Union.
> The third Spaniard to appear in the giant leak is the wife of former Spanish Agriculture Minister Miguel Arias Cañete, Micaela Domecq Solís-Beaumont, who was "empowered to approve transactions of Rinconada Investments Group SA, a Panama company registered in 2005 which was in existence while her husband Miguel Arias Cañete held public positions in Spain and the European Union.
https://www.thespainreport.com/articles/704-160403213534-ped...