 She married the musician Petter Lillström (1714–1776), who is confirmed to be a member of the orchestra of the Bollhuset theater from at least 1744 onward (later as its conductor).Elisabeth Lillström's employment at the theater illustrate the first beginning of the first professional actresses in Sweden.In 1737, the first professional Swedish language theater was inaugurated under royal patronage in the theater building at "Bollhuset", which had until then only housed temporary foreign theater companies, which necessitated the creation of the pioneer group of native Swedish actors, composed, according to the British ambassador Edward Finch of "students, clerks and lady's maids."