In 1849, the Quinta das Louras (or Quinta das Loureiras) was acquired by D. Ermelinda Allen de Almeida (then Viscountess of Regaleira) from João Veríssimo de Barros Viana and his wife, D. Maria Inácia dos Santos [REF].
In 1859, the estate was sold by D. Isabel Allen Palmeiro, Baroness of Regaleira (niece and heiress to the Viscountess), to António José Leite Guimarães, Baron of Glória (1806-1876).