Complex sentence: Born in the summer of 1887, his given name is Walter Peabody Emerson, with his first name in honor of his father's younger brother, and his middle name is his mother's maiden name.
Split into simpler sentences: Born in the summer of 1887, his given name is Walter Peabody Emerson. His first name was given in honor of his father's younger brother, and his middle name is his mother's maiden name.