According to index of parish registers of Domazlice born between 1856-1860 one Jan Fronk only. Jan Fronk born 23rd Oct 1860 in Domazlice, Bezdekovske suburb # 74. Father: Jan Fronk son of Simon Fronk and Dorota Konas from Radonice. Mother: Anna Vanek daughter of Jan Vanek from Havlovice and Maria Votruba from Luzenicky.
There is not recorded any Maria Konas in birth index of Domazlice arround 1862 there.
All the best. Tony.