He obtained his master's degree in 1904 and in the same year married Lize de Holl who was eleven years older that Brouwer and had a daughter from a previous marriage.
Siya makuha ang kanyang master's degree sa 1904 at sa parehong taon kasal Lize de Holl na labing-taon na mas matanda Brouwer at nagkaroon ng anak na babae mula sa isang naunang kasal.