N'afọ 2019, Sjoerdsma katọrọ eze nwanyị Máxima nke Netherlands n'ihu ọha maka nzukọ ya na Saudi Crown Prince Mohammed bin Salman n'akụkụ nke nzukọ G20 Osaka nke 2019 na-enweghị ebute ogbugbu ahụ
nke onye nta akụkọ Jamal Khashoggi.