 Renaissance humanism and science figured large in the Dudley children 's education . In 1553 Jane Dudley herself commissioned two works from the mathematician and Hermeticist John Dee about heavenly configurations and the tides . Jane Dudley was close to her children ; her eldest son , Henry , had died during the siege of Boulogne in 1544 , aged 19 . A postscript she wrote in 1552 under a letter by her husband to their then eldest son , John Dudley , 2nd Earl of Warwick , reads : " your lovynge mothere that wyshes you helthe dayli Jane Northumberland " . She also had health problems : In 1548 her husband was unwilling to leave her side , because she " had had her fit again more extreme that she had any time yet . " 
 Renaissance humanism and science figured large in the Dudley children <a href='null_genetive' title='1'><mark>'s</mark></a>education . In 1553 Jane Dudley herself commissioned two works from the mathematician and Hermeticist John Dee about heavenly configurations and the tides . Jane Dudley was close to her children ; her eldest son , Henry , <a href='been_done' title='2'><mark>had</mark></a> died during the siege of Boulogne in 1544 , aged 19 . A postscript she wrote in 1552 under a letter by her husband to their then eldest son , John Dudley , 2nd Earl of Warwick , <a href='uninflect' title='3'><mark>reads</mark></a> : " your lovynge <a href='uninflect' title='4'><mark>mothere</mark></a> that wyshes you helthe dayli Jane Northumberland " . She also had health problems : In 1548 her husband was unwilling to leave her side , because she " <a href='been_done' title='5'><mark>had</mark></a> had her fit again more extreme that she had any time yet . " 
Renaissance humanism and science figured large in da Dudley children  education . In 1553 Jane Dudley herself commissioned two works from the mathematician and Hermeticist John Dee bout heavenly configurations and the tides . Jane Dudley was close to her children ; her eldest son , Henry , done died during the siege of Boulogne in 1544 , aged 19 . A postscript she wrote in 1552 under a letter by her husband to their then eldest son , John Dudley , 2nd Earl of Warwick , read : " your lovynge mothered dat wyshes you helthe dayli Jane Northumberland " . She also had health problems : In 1548 her husband was unwilling to leave her side , because she " done had her fit again more extreme that she had any time yet . "