Complete the following sentence: The Erskine family hosted several eminent visitors, including William Bollaert FRGS (1840), Ferdinand von Roemer (1845<unk>1847), and Frederick Law Olmstead (1857). ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ During the Spanish-American War, Roosevelt rode an El Capote horse, "Seguin", at the
Battle of San Juan Hill (1898). Several other horses from El Capote were used by the 1st United States Volunteer Cavalry ("Roosevelt's Rough Riders") as well.