Test 1

edit
Multiple "with", "with2" etc parameters
{{start box}}
{{s-par|uk}}
{{s-bef | before = [[John Smith]]<br />[[Lady Jane Janesdottir-Jones]] }}
{{User:BrownHairedGirl/S-ttl
 | title = [[Member of Parliament]] for [[BigTown South-Central]]
 | years = 1901 – 1973
 | with = [[Sir Bufton Tufton-Tufton, 75th Baronet|Sir Bufton Tufton-Tufton, Bt.]]  1901–1918
 | with2 = [[Eric Erikson]] 1918–1922
 | with3 = [[Anna Nova]] 1922–1937
 | with4 = [[Sam Spade]] 1937–1942
 | with5 = [[Sir Richard Robertson-FitzHumperdinck]] 1942 –1945
 | with6 = [[Dave Spart]]
}}
{{s-non | reason = Constituency abolished}}
{{end box}}

... produces:

Parliament of the United Kingdom
Preceded by Member of Parliament for BigTown South-Central
1901 – 1973
With: Sir Bufton Tufton-Tufton, Bt. 1901–1918
Eric Erikson 1918–1922
Anna Nova 1922–1937
Sam Spade 1937–1942
Sir Richard Robertson-FitzHumperdinck 1942 –1945
Dave Spart
Constituency abolished

Test 2

edit
All others in one big long "with" parameter
{{start box}}
{{s-par|uk}}
{{s-bef | before = [[Peter Peterson]]<br />[[Sir Egbert de somewhere FitzEgbert, Bt.]] }}
{{User:BrownHairedGirl/S-ttl
 | title = [[Member of Parliament]] for [[South West Countrysideshire]]
 | years = 1922 – 1952
 | with = [[Sir Bufton Tufton-Tufton, 75th Baronet|Sir Bufton Tufton-Tufton, Bt.]] 1922–1925<br /> [[Eric Erikson]] 1925–1929<br /> [[Anna Nova]] 1929–1937<br />[[Sam Spade]]  1937–1942<br />[[Sir Richard Robertson-FitzHumperdinck]] 1942 –1945<br />[[Dave Spart]] from 1945
}}
{{s-non | reason = Constituency abolished}}
{{end box}}

... produces:

Parliament of the United Kingdom
Preceded by Member of Parliament for South West Countrysideshire
1922 – 1952
With: Sir Bufton Tufton-Tufton, Bt. 1922–1925
Eric Erikson 1925–1929
Anna Nova 1929–1937
Sam Spade 1937–1942
Sir Richard Robertson-FitzHumperdinck 1942 –1945
Dave Spart from 1945
Constituency abolished