__ _JOHN SWAN __________|__ _Alexander SWAN ___| | | __ | |_MARGARET MCCROSSIN _|__ _Gustavus SWAN ___| | | __ | | _____________________|__ | |_Elizabeth PITMAN _| | | __ | |_____________________|__ | |--John SWAN | | __ | _____________________|__ | ___________________| | | | __ | | |_____________________|__ |_Jane MONTGOMERY _| | __ | _____________________|__ |___________________| | __ |_____________________|__