Complex sentence: His mother, Ane Sørensdatter Pedersen Sørensdatter (Lund), lived from June 18,1768-July 31,1834 and his brother Peter Christian Kierkegaard (1805-1888) married Elise Marie Boisen in 1836.
Split into simpler sentences: His mother, Ane Sørensdatter Pedersen Sørensdatter (Lund), lived from June 18,1768-July 31,1834. His brother Peter Christian Kierkegaard (6 July 1805--24 February 1888) married Elise Marie Boisen in 1836.