Martin Lazarus was born in Germany around 1730 and arrived in Philadelphia from Germany on November 30,1750 on the ship the  Enterprize and shortly after married Christina Reichard (also recently from Germany.) They located in Northampton PA, where their son Frederick Lazarus was born in 1770. He died in Whitehall, Lehigh, Pa  in 1797 and was buried in the Salisbury Cem,Northampton, Pa. more from the internet about Martin here
 
Frederick Lazarus and Christina Hartzell marry in 1795 . Their firstborn son, Peter, arrives in 1796. When the George Hartzell family decides to move to Deerfield, Ohio, Frederick takes his family with them in 1807. Their  son George Lazarus is born in North Benton, Ohio on February 12, 1809. He operated a grist mill and was a mail carrier. He married Jane Craig on November 10, 1831 and their daughter Alma Lazarus was born on September 14, 1834. See 1850 census.
from the internet

Name: Martin Lazarus

Sex: M
Birth: ABT 1730 in Germany 1
Occupation: Farmer; tax records say owned 200 acres
Death: JUL 1797 in Allentown, Pennsylvania
Marriage 1 Christina Reichard b: 1732 in Germany
Married: ABT 1767 in Northampton County, Pennsylvania 4

Children

1. Has Children Daniel Lazarus b: 10 APR 1768 in Schoenersville, Northampton County, Pennsylvania
2. Has Children Frederick Lazarus b: 1770 in Northampton County, Pennsylvania
3. Has No Children Leonard Lazarus b: ABT 1772 in Northampton County, Pennsylvania
4. Has No Children George Lazarus b: 1761 in Northampton County, Pennsylvania
5. Has No Children Martin Lazarus Jr. b: 13 OCT 1774
6. Has No Children Elizabeth Lazarus b: ABT 1776 in Northampton County, Pennsylvania

Name: Frederick Lazarus

Sex: M
Birth: 1770 in Northampton County, Pennsylvania
Occupation: Northampton County Commissioner, Pennsylvania, 1800 and 1837-1840
Residence: 1807 Moved to Deerfield Township, Portage County, Ohio
Death: 17 AUG 1850 in Deerfield, Portage County, Ohio (Hartzell Cemetery)
Residence: 1850 Deerfield Township, Portage County, Oho
Occupation: 1850 Farmer
Father: Martin Lazarus b: ABT 1730 in Germany
Mother: Christina Reichard b: 1732 in Germany
Marriage 1 Christina Hartzell b: 24 NOV 1774 in Northampton County, Pennsylvania
Married: ABT 1796 in Northampton County, Pennsylvania 6

Children

1. Has Children Peter Lazarus b: 1796 in Northampton County, Pennsylvania
2. Has Children Sarah Lazarus b: 27 JAN 1799 in Smithfield, Northampton County, Pennsylvania
3. Has Children Joseph Lazarus b: 1800 in Lehigh County, Pennsylvania
4. Has Children John Lazarus b: 22 JUN 1804 in Northampton County, Pennsylvania
5. Has Children Christina Lazarus b: 08 APR 1807 in Northampton County, Pennsylvania
6. Has Children George Lazarus b: 12 FEB 1809 in Deerfield Township, Portage County, Ohio
7. Has Children Ann Lazarus b: 1814 in Deerfield Township, Portage County, Ohio
8. Has No Children Mary Lazarus b: 1814 in Deerfield Township, Portage County, Ohio
9. Has Children Elizabeth Lazarus b: 1817 in Deerfield Township, Portage County, Ohio