What is John McDonnell?
{{Infobox officeholder |honorific-prefix = [[The Right Honourable]] |name = John McDonnell | honorific-suffix = [[Member of Parliament (United Kingdom)|MP]] |image = Official portrait of Rt Hon John McDonnell MP crop 2.jpg |caption = McDonnell in 2021 |office = [[Shadow Chancellor of the Exchequer]] |leader = [[Jeremy Corbyn]] |term_start = 13 September 2015 |term_end = 5 April 2020 |predecessor = [[Chris Leslie]] |successor = [[Anneliese Dodds]] |office1 = [[Member of Parliament (United Kingdom)|Member of Parliament]]<br />for [[Hayes and Harlington (UK Parliament constituency)|Hayes and Harlington]] |term_start1 = 1 May 1997 |term_end1 = |predecessor1 = [[Terry Dicks]] |successor1 = |majority1 = 9,261 (21.1%) |office2 = [[Greater London Council|Deputy Leader of the Greater London Council]] |leader2 = [[Ken Livingstone]] |predecessor2 = [[Illtyd Harrington]] |successor2 = [[Michael Ward (British politician)|Michael Ward]] |term_start2 = 7 May 1984 |term_end2 = 7 May 1985 |office3 = Member of [[Greater London Council]]<br />for Hayes and Harlington |term_start3 = 7 May 1981 |term_end3 = 31 March 1986 |leader3 = [[Horace Cutler]]<br/>[[Ken Livingstone]] |predecessor3 = A. H. S. Hull |successor3 = ''Council abolished'' |majority3 = 4,346 (17.1%)<ref>{{cite web|url=http://www.election-demon.co.uk/glc/glchd.html|title=Greater London Council election results: Hillingdon|website=election-demon.co.uk|access-date=11 September 2018}}{{Dead link|date=February 2020 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> |birth_name = John Martin McDonnell |birth_date = {{birth date and age|1951|9|8|df=y}} |birth_place = [[Liverpool]], England |death_date = |death_place = |spouse = {{marriage|Marilyn Jean Cooper|1971|1987|reason=div}}<br />{{marriage|Cynthia Marie Pinto|1995}} |children