ro yal ▁to ▁be ▁created ▁a ▁du ke , ▁would ▁come ▁before ▁the ▁Mar qu ess ▁of ▁Win chester , ▁though ▁the ▁latter ' s ▁title ▁was ▁created ▁earlier ▁and ▁is ▁in ▁a ▁more ▁senior ▁peer age ▁( the ▁peer age ▁of ▁England ). ▁ ▁The ▁place ▁of ▁a ▁peer ▁in ▁the ▁order ▁for ▁gentlemen ▁is ▁taken ▁by ▁his ▁wife ▁in ▁the ▁order ▁for ▁ladies , ▁except ▁that ▁a ▁Dow ager ▁peer ess ▁of ▁a ▁particular ▁title ▁preced es ▁the ▁present ▁holder ▁of ▁the ▁same ▁title . ▁Children ▁of ▁pe ers ▁( and ▁suo ▁j ure ▁peer esses ) ▁also ▁obtain ▁a ▁special ▁preced ence . ▁The ▁following ▁algorithm ▁may ▁be ▁used ▁to ▁determine ▁their ▁ranks : ▁ ▁E ld est ▁sons ▁of ▁pe ers ▁of ▁rank ▁X ▁go ▁after ▁pe ers ▁of ▁rank ▁X − 1 ▁ ▁Young er ▁sons ▁of ▁pe ers ▁of ▁rank ▁X ▁go ▁after ▁el dest ▁sons ▁of ▁pe ers ▁of ▁rank ▁X − 1 ▁ ▁W ives ▁have ▁a ▁preced ence ▁corresponding ▁to ▁those ▁of ▁their ▁hus b ands ▁ ▁D augh ters ▁of ▁pe ers ▁of ▁rank ▁X ▁go ▁after ▁w ives ▁of ▁el dest ▁sons ▁of ▁pe ers ▁of ▁rank ▁X ▁Over ▁time , ▁however , ▁various ▁offices ▁were ▁inserted ▁at ▁different ▁points ▁in ▁the ▁order , ▁thereby ▁varying ▁it . ▁ ▁E ld est ▁sons ▁of ▁du kes ▁rank ▁after ▁marqu esses ; ▁el dest ▁sons ▁of ▁marqu esses ▁and ▁then ▁younger ▁sons ▁of ▁du kes ▁rank ▁after ▁ear ls ; ▁el dest ▁sons