Sir Theodore Janssen to Mary Janssen - Calvert
Genealogical group sheets of Mary
2. Theodore Janssen de Heeze, the youngest son of the Baron,
in France. From there, the family moved to England.
1. Baron de Heeze, was executed by the Spanish Duke of Alva. He was included in the Martyrs
of Gorkum, Netherlands.
The following Janssens were executed:
Janssen, de Heeze (c1522 - July 9, 1572); a Franciscan.
Nicolaas Janssen (c1532 in Weelde - July 9, 1572), surnamed Poppel, of
Weelde in Belgium; a religious assistant in Gorkum.
Adrianus Janssen of Hilvarenbeek (c1528 - July 9, 1572), at one time
a Premonstratensian and parish priest in Monster.
3. Abraham Janssen in 1657 married Henriette Manigault
in Angouleme, Charente, France. Henriette's parents were Isaac Manigault ( -1649), Sieur de Limouillet, and Suzanne Bardet. Her grandparents were Francois
Manigault ( -1608), Sieur de Limouillet and Jeanne Chollet. Francois Manigault was a Member of Parliament under King Henry IV (Henry of Navarre) in
1602. (thanks to Edward Manigault)
4. Sir Theodore Janssen (1658 - 1748), knighted by William
III and created a first baronet by Queen Anne (Janssen of Wimbledon, Surrey).
He married Williamsa Henley in 1697. From 1711 to 1721 he
was a director of the South-Sea
Company. The directors of the company were charged with breach of public
trust, manipulating the value of stocks and insider trading. Theodore was ordered
out of the House of Commons. His assets
He was left with 50,000 pounds out of his 243,000 pounds; to start a new life.
5.1 Abraham Janssen (1699 - 1765) MP for Dorchester, Great Britain
5.2 Henry Janssen (1700 - 1766)
5.3 Stephen, Theodore Janssen (c1701 - 1777) was one of the
most philanthropic Lord Mayors of
London (1747 -1754). He was known for prison
regulation and reform of treatment.
Stephen dealt with the
executions of a homosexual
prostitute and a rioter.
In 1750, he married Catherine Soulegre, daughter of Col. Soulegre.
5.3.1 Henrietta Janssen (1752
- 1849) married Lorenzo Moore (1744 - 1798).
5.8 Mary Janssen (1715 - 1770) married in
Calvert (1699 - 1751).
5th Lord Baltimore, colonial Governor of Maryland.
Calvert had an illegitimate son, Benedict, Swingate Calvert
with Melusina von der Schulenberg.
Melusina was the daughter of King
George I of England and his mistress, Ermengarde de Schulenberg.
Swingate Calvert (1730 - 1788) in 1748 married Elizabeth Calvert (1729 - 1798).
Of their 13 children; Eleanor Calvert (1757 - 1811) in 1774
married John Park Custis (1754 - 1781)
son of Daniel Park Custis (1712 - 1757) and Martha Dandridge (1731 - 1802). Martha in 1759 married
George Washington; president of USA.
John and Eleanor's son; George
Washington Parke Custis (1781 - 1857) married in 1804 Mary Lee
Fitzhugh (1788 -1853). Their daughter, Mary Anna Custis (1808 - 1873) married Robert
5.8.2 Frederick Calvert (1731 - 1771) 6th
Lord of Baltimore married in 1753 Diane Egerton.
m.2 Hester Whalen. Their daughter Frances Mary Harford (1759 - 1822) m. William Frederick
5.8.5 Caroline Calvert (c1745 - ) married in 1763
Robert Eden (1741 - 1784); last royal governor of Maryland.