In 1579 Dee's mother gave her house at Mortlake (which he had lived in for at least 13 years) to him; she died the following year. Dee had married Jane Fromands in February 1578 and together they had eight children.
In 1579's Dee ina ibinigay ang kanyang bahay at Mortlake (na kung saan siya ay nanirahan sa para sa hindi bababa sa 13 taon) sa kanya; siya namatay ang mga sumusunod na taon. Dee had kasal Jane Fromands sa Pebrero 1578 at magkasama nilang may walong anak.