Simplify the following text for a Grade 4 native English-speaking person.
Original: John Dowland was married and had children , as referenced in his letter to Sir Robert Cecil , but family life does not seem to have been important to him , as his wife stayed in England while he worked on the Continent .
Simplified: Dowland seems to have been married and he had children , although we do not know how many . His wife and family always stayed in England .