No, Albert did not have children with Elsa Einstein.
Elsa Einstein was born on 1876-01-18.
Einstein wrote daily to his wife Elsa and adopted stepdaughters Margot and Ilse.
Einstein
Einstein
Albert Einstein was married to Elsa Lowenthal for 17 years
Mileva Maric and Elsa Einstein
Elsa Einstein, the second wife of Albert Einstein, did not have any children of her own. She did have two children from a previous marriage, Ilse and Margot.
She was Einstein's cousin and latter Einstein married her after his first failure marriage
June 2, 1919
Mileva Maric. After divorcing her, Einstein married Elsa Lowenthal Einstein.
He got married to Elsa in Jersey in 1919.