In 1679, Swedish lieutenant general Baron Jacob Ikskul at Castle Ikskile in Ikskile, Latvia, of the House of Iksskuli or the House of Uexküll, which used the letters H and X for its house, researched his family line and found that Baron Konrad Meyendorf in the 11th century established the Ikskule or Ikskile castle 28 kilometers from Riga in 1185.