Please answer the following question: What key details about william sevenoke can be extracted from the following bio? Bio: william sevenoke -lrb- died 1432 -rrb- was a grocer and politician who served as mayor of london in 1418 , and as warden of london bridge , alderman of bishopsgate ward , alderman of tower ward , warden of the grocers ' company , sheriff of london and surveyor of the king 's works at isleworth .
Answer:
- successor is richard whittington- predecessor is richard merlawe- office is lord mayor of london- term end is 1418- term start is 1418- birth date is ca. 1373- name is william sevenoke- nationality is english