LR1f - Westminster City Archives - Parish Register for the Parish of St Martin in the Fields, 31 Oct. 1591

Register of births, deaths, and marriages for the Parish of St Martin in the Fields   , entry for the baptism of Anthony Brett (possibly Jonson 's stepbrother?), 31 Oct 1591
Eugene Giddens

Baptismus 1591
[Trans.: Baptisms 1591] ... Octobris ... 31 Baptizatus fuit Anthonye Brett
[Trans.: On 31 Oct. Anthony Brett was baptised>]

Bibliography
Mason, St Martin in the Fields

St Martin in the Fields was established in the thirteenth century in the 'fields' between Westminster and the City of London . Today it is in Trafalgar Square. It was rebuilt, and its boundaries extended, by Henry VIII c . 1542, and enlarged again in 1607 at the charge of Henry , Prince of Wales . The present church was built 1721-26.