Johann Conradt Boehm was born about 1705, in Fehrfeld, Wurtemburg, Germany, the son of Peter Boehm and Catharina Boehm. He was christened in the "Evangelische Landeskirche," (Evangelical Church) in the Kirchenbezirk (church district) of Besigheim, in civil district of Neckarkries (Rhein-Neckar-Kreis)  in the state of Baden-Württemberg, Germany. 
Conrad married twice. Around 1729, in Germany, he married Anna Catharina Ensbach. They were the parents of one daughter:
Maria Christina Boehm, born December 25, 1730, in Fehrfeld, Germany, died after 1806, in Rowan county, North Carolina, married Johann Georg Herdlein, on February 9, 1755, in her father's house in Berks county, Pennsylvania 
Conrad and Anna Catharina, and their infant daughter immigrated to the Port of Philadelphia, on September 18, 1732.  Anna Catharina died the next year, in Berks county, Pennsylvania. 
In 1734, in Berks County, Pennsylvania, Conrad married Maria Sophia Bernhart Burchard, daughter of Lorenz Friedrich Burchard and his wife, Margaretha. 
Children of Conrad and Maria are:
Eva Boehm, born September 29, 1735, in Berks County, Pennsylvania
Johann Baltasar Boehm, born April 1, 1739, in Berks County
Anna Maria Boehm, born May 28, 1741
Maria Elizabeth Boehm, born September 18, 1743
Johan Jacob Boehm, born January 1, 1737, died about 1801, in Rowan county, North Carolina married Elizabeth (?nee)
CENSUS 1790 UNDER NAME CONRAD BEAR CONRAD SERVED IN THE CONTINENTAL ARMY.
Conrad died December 6, 1788, in Berks county, Pennsylvania. 
Pennsylvania German Pioneers: A Publication of the Original Lists of Arrivals in the Port of Philadelphia from 1727 to 1808. Edited by William John Hinke. Norristown [PA]: Pennsylvania German Society, 1934. 3 vols. Vols. 1 and 3 reprinted by Genealogical Publishing Co., Baltimore, 1964. Repr. 1983. Vol. 1. 1727-1775. 776p. Page: 77.
It may be possible to confirm family relationships with Conrad by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Conrad: