In het voorjaar van 1947 werd Joanna door een beroerte getroffen. Haar stiefzoon Jan Vonk nam haar op 30-5-1947 in huis te Dieren waar zij is gestorven.
She is married to Casper Hermanus Vonk.
They got married on August 6, 1900 at Schalkwijk (Utrecht), she was 37 years old.
They were married in church on August 6, 1900 at Tull en 't Waal, she was 37 years old.The data shown has no sources.