Wibrandis Rosenblatt (1504–1564) was the wife of three religious reformers, who predeceased her: Johannes Oecolampadius (married, 1528–1531), Wolfgang Capito (married, 1532–1541), and Martin Bucer (married, 1542–1551). She was the widow of a Ludwig Keller before she was married to Oecolampadius. She was the mother of 11 children.
She was born in 1504 in Bad Säckingen and raised in Basel. She died a plague victim in Basel in 1564.
Heinze, Rudolph (2006). "Chapter 11: Women and the Reformation: The Marriages of Wibrandis Rosenblatt". Reform and Conflict. Baker History of the Church 4. Monarch Books. pp. 289–292. ISBN 978-1-85424-690-5.