Short answers, pulled from the story.
Jakob Weil, born in the late 17th century, stands as the oldest recorded relative of physicist Albert Einstein. This lineage traces back through Löb Moses Sontheimer who lived from 1745 to 1831.
Pauline Koch entered the world on the 8th of February 1858 within Cannstatt Württemberg. Her family later settled in Ulm before relocating to Munich's Ludwigsvorstadt-Isarvorstadt borough in summer 1880.
No full name or fate has ever been confirmed by historical records regarding Lieserl Einstein born on the 27th of January 1902 in Újvidék Austria-Hungary. Michele Zackheim suggests the child may have died of scarlet fever in September 1903 while living with her mother's family.
Eduard Einstein died of a stroke on the 25th of October 1965 at age 55 within Zurich's Burghölzli clinic. He had been institutionalized two years earlier following a schizophrenia diagnosis at age 21.
Hans Albert Einstein became a professor of hydraulic engineering at the University of California Berkeley specializing in sediment transport research. He earned his doctorate from ETH Zurich in 1936 before emigrating to America in 1938.