1. Charles Joseph Ignace Marie Welter was a Dutch politician and diplomat of the General League of Roman Catholic Caucuses, later the Roman Catholic State Party, the Catholic People's Party and founder of Catholic National Party before rejoining the Catholic People's Party and nonprofit director.
Charles Welter moved back to the Netherlands and worked for the Ministry of Colonial Affairs in The Hague from May 1911 until November 1915 and returned to the Dutch East Indies working for the Ministry of Colonial Affairs in Batavia from November 1915 until October 1925.
Charles Welter semi-retired from active politic and became active in the public sector served on several state commissions and councils on behalf of the government and as a diplomat and lobbyist for several economic delegations on behalf of the government.
Charles Welter was elected to the House of Representatives in the 1937 general election, taking office on 8 June 1937.
On 25 July 1939, just three days later, the cabinet was dismissed by Queen Wilhelmina and continued to serve in a demissionary capacity until the second cabinet formation of 1939 when it was replaced by the second De Geer cabinet with Charles Welter appointed as Minister of Colonial Affairs again, taking office on 10 August 1939.
The second De Geer cabinet fell on 26 August 1940 after a conflict between Queen Wilhelmina and Prime Minister Dirk Jan de Geer and continued to serve in a demissionary capacity until the cabinet formation of 1940, when it was replaced by the first Gerbrandy cabinet, with Charles Welter continuing as Minister of Colonial Affairs and appointed as Minister of Finance, dual serving in both positions, taking office on 3 September 1940.
The cabinet fell on 12 June 1941 after a conflict between Queen Wilhelmina and Minister of Defence Adriaan Dijxhoorn and continued to serve in a demissionary capacity until the cabinet formation of 1941 when it was replaced by the second Gerbrandy cabinet, with Charles Welter continuing as of Minister of Colonial Affairs, taking office on 27 July 1941.
Charles Welter disagreed strongly with the government policy on the Dutch Indies, as well as his party's cooperation with the Labour Party.
In 1948, this committee took part in the general election with a separate Charles Welter list, winning a single seat.
Charles Welter, who occupied the only seat in parliament, became the first general chairman of the KNP.
Charles Welter remained as a Member of Parliament for the KVP from 1956 to 1963.