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Jacoba of Bavaria, countess of Holland. Engraving by J. Folkema, 1753, after T. Jelgersma after a painting attributed to J. Mostaert.

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Please note, due to essential maintenance work to our systems, you will be unable to request items in our collections; apply for, renew or pre-register for a library membership; or use our computers, laptops and printers from 06:00 on Saturday 12 July until 06:00 on Sunday 13 July. Our library will remain open as usual. Thank you for your understanding.

We're running paid user research studies to improve Wellcome Collection online

Jacoba, von Bayern, gravin van Holland, gravin van Zeeland, comtesse de Hainaut, 1401-1436.

Works from the collections

Jacoba of Bavaria, countess of Holland. Engraving by J. Folkema, 1753, after T. Jelgersma after a painting attributed to J. Mostaert.