William Weston I (c. 1351 – c. 1419) was the

member of Parliament A member of parliament (MP) is the representative in parliament of the people who live in their electoral district. In many countries with bicameral parliaments, this term refers only to members of the lower house since upper house members of ...

for

Surrey Surrey () is a ceremonial and non-metropolitan county in South East England, bordering Greater London to the south west. Surrey has a large rural area, and several significant urban areas which form part of the Greater London Built-up Area. ...

for nearly 40 years from November 1380.WESTON, William I (c.1351-c.1419), of West Clandon, Surr.
The History of Parliament. Retrieved 2 November 2016.

References

Members of the Parliament of England for Surrey 1350s births Year of birth uncertain Year of death uncertain English MPs November 1380 English MPs November 1390 1410s deaths English MPs 1393 English MPs 1394 English MPs January 1397 English MPs 1401 English MPs 1415 English MPs 1419 {{15thC-England-MP-stub