Complex sentence: Frank Armstrong Crawford was born on January 18,1839 in Mobile, Alabama to Robert Leighton Crawford (1799--1853) and Martha Eliza Everett (1820--1898).
Split into simpler sentences: Frank Armstrong Crawford was born on January 18,1839 in Mobile, Alabama. Her father was Robert Leighton Crawford (1799-1853) and her mother, Martha Eliza Everett Crawford (1820-1898).