Meghan Markle and Prince Harry will give up many things when they step down as senior members of the royal family.However, it's now been confirmed that the Duke and Duchess of Sussex will both retain a number of patronages.But Harry will give up three honorary military appointments, including stepping down from his role as Captain General of the Royal Marines.Duchess Meghan and Prince Harry's lives will change immeasurably when they step back from being senior royals.