 Jahangir was succeeded by his third son, Prince Khurram, who took the regnal name Shah Jahan.Sir Thomas Roe was England's first ambassador to the Mughal court.Relations with England turned tense in 1617 when Roe warned Jahangir that if the young and charismatic Prince Shah Jahan, newly instated as the Subedar of Gujarat, turned the English out of the province, ""then he must expect we would do our justice upon the seas"".