She and her spouse founded the slave fort Victoria at the river Rio Nunez in 1825/26, which they managed together.
[4] Their trading post Victoria functioned as the conduit for slaves transported by canoe or overland to Portuguese Bissau.
[4] They were the business associates of Elizabeth's sister and brother-in-law, Mary Ann Frazer and the Afro-American slave trader Thomas Gaffery Curtis of Fallangia.
In 1851, Elizabeth, being the only one living of her siblings, finally received her inheritance after her father, worth over one million dollars.
[3] She remarried the mixraced trader John Nelson Bicaise of Trinidad, and her daughter Mary Ann married in 1846 to Joseph Richmond Lightburn,[3] who belonged to the family of Niara Bely.