Rockleigh Grange House Large two storey sandstone building home which is now part of the Catholic University. Locate -33.839200127563, 151.20416280626 Milestone Constructed 1840 - 1849 {"name":"Constructed","target":"","target_text":null,"date":{"#markup":"<span class='date'>1840<\/span><span class='separator'> - <\/span><span class='date'>1849<\/span>"},"date_start":"1840","date_end":"1849"} Property Owned by Martens, Conrad 1840 - 1878 {"name":"Owner of","target":"Martens, Conrad","target_text":null,"date":{"#markup":"<span class='date'>1840<\/span><span class='separator'> - <\/span><span class='date'>1878<\/span>"},"date_start":"1840","date_end":"1878"} Type House {"name":"House","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}