Complex sentence: He married Joan Hussey in 1376 with whom he had seven children, Grace de Hungerford, Ralph, Robert, Peter, Thomas, John and Walter Hungerford, 1st Baron Hungerford would also serve as Speaker of the House of Commons.
Split into simpler sentences: He married Joan Hussey in 1376 with whom he had seven children, Grace de Hungerford, Ralph, Robert, Peter, Thomas, John and Walter. One of his descendents, Walter Hungerford, 1st Baron Hungerford would also serve as Speaker of the House of Commons.