Pauline Hirschl - Louis Mayer Family Tree

Pauline Hirschl was the Daughter of SamueL Hirschl.Samuel Hirschl was the son of Moses Hirschl and Charlotte Steinberg.
Sam had 11 children 5 born in Austria; Six born in the US.
HE emigrated in 1849.
His children are; Clemens 1842-Vienna;Pauline 1843-Vienna;Julius-1845-Vienna;Felix 1846-Vienna;Louis 1848-Vienna;Alice 1850-Davenport IA USA;Jackson 1852 Davenport;Georgine 1854-USA;Jessie 1856-USA' Sylvia 1857-USA; Harry 1862- USA.
In 1865 when Moses was 75 Samuel returned to Vienna, Taking his American born children with him. The others became American citizens while the latter enjoyed dual citizenship until they came of age when they renounced their American citizenship for Austrian.
They had all died but Sylvia at the time of the Anschluss in 1938 but Sylvia left (aged 81) Neither Hirschls nor Mayers lost anyone to the Haulocaust thanks to many American relatives who guaranteed their bond with INS. I look for wives and children etc of Male Hirschls; Husbands of female Hirschls.Decendants of Jakob Mayer. I have much of this information! Need more!
I am Pauline Hirschl Mayer's grandson aged 75. Will swap LOTS of info. Can anyone help?