"Lisa and Nelson's children"@en . "Lisa and Nelson's children are the imaginary children of Nelson and Lisa that Lisa conceived when she was female"@en . "Possible Aunts: Maggie Simpson, Nelson's sister"@en . . "Mother: Lisa Simpson"@en . "Cousins: Bart Simpson, Jr."@en . "\"Lisa's Date with Density\""@en . . . . . . "Uncle: Bart Simpson"@en . . "Great-Grandparents: Abraham Simpson, Clancy Bouvier, Mona Simpson, Jacqueline Bouvier, Judge Muntz, Grandma Muntz,"@en . "Possible Uncles: Gerald Samson, Homer Jr."@en . . . ""@en . . "Lisa and Nelson's children are the imaginary children of Nelson and Lisa that Lisa conceived when she was female"@en . . . "Lisa and Nelson's children"@en . "Grandparents: Homer Simpson, Marge Simpson, Mr. Muntz and Mrs. Muntz"@en . "Father: Nelson Muntz"@en . .