It is known through several preserved papal letters that the popular Dominicans were explicitly asked to preach for crusades not only in Visby but also on certain places in the countryside, and scholars have concluded that Lau Church was probably one of these sites.
Coñécese a través de varias cartas papais conservadas que aos populares dominicos se lle pedíu que predicasen cruzadas non só en Visby, senón tamén en certos lugares do rural, e os académicos cren que a igrexa de Lau probablemente era un deses lugares.