Ferdinand III of Limburg Stirum
Ferdinand III of Limburg Stirum was the son of Ferdinand I of Limburg Stirum and Katharina Karoline von Eptingen.
Born in 1753, he died at the age of 15 in 1768.
Maximilian Wilhelm of Limburg Stirum
Maximilian Wilhelm of Limburg Stirum( 1653 – 1728), count of Limburg Styrum, sovereign lord of Illereichen and Simontornya.
He was the third son of Adolf Ernst of Limburg Stirum, sovereign lord zu Gemen.
He married in 1677 countess Maria Anna von Rechberg and Rothenlöwen( died 1738).
He left 14 children:
Karl Josef of Limburg Stirum
Karl Josef Maximilian of Limburg Stirum, count of Limburg Styrum, sovereign lord zu Gemen, was the son of Alois of Limburg Stirum.
He inherited the immediate lordship of Gemen from his uncle Ferdinand I of Limburg Stirum in 1791 and remained until his death in 1798.
Alois having survived his three sons, Gemen passed to his grandson Ferdinand IV of Limburg Stirum.
He married Maria Anna Vogel von Wassenhofen and they had five children:
Ferdinand I of Limburg Stirum
Ferdinand Gotthard Meinrad of Limburg Stirum, count of Limburg," Fürst" von Styrum, sovereign lord zu Gemen, was born in 1701, son of Maximilian Wilhelm of Limburg Stirum.
He inherited the immediate lordship of Gemen at the death of his cousin the Prince- Bishop of Speyer, August Philipp of Limburg- Stirum- Gemen.
He married Katharina Karoline von Eptingen and they had one son, Ferdinand III, who died young.
Ferdinand I died in 1791 and Gemen passed to his nephew Karl Josef of Limburg Stirum.
Alois of Limburg Stirum
Karl Joseph Alois of Limburg Stirum, count of Limburg Stirum from the branch Limburg- Styrum- Iller- Aichheim, was the son of Maximilian Wilhelm of Limburg Stirum.
He was born in 1685 and died in 1738.
After his father's death he became sovereign lord of Simontornya.
He married countess Maria Theresia Keglevich( died 1728) in 1722 and their children were:
Philipp Wilhelm of Limburg Stirum
Philipp Wilhelm of Limburg Stirum (1695–1758), count of Limburg Stirum, was the second son of Moritz Hermann of Limburg.
He married NN,
countess von Hoensbroech
and they had five children:
Leopold of Limburg Stirum (1681-1726)
Leopold Johann Otto Wilhelm of Limburg Stirum( December 27, 1681 – February 11, 1726), was count of Limburg Styrum from the branch Limburg- Styrum- Iller- Aichheim.
He was the first son of Maximilian Wilhelm of Limburg Stirum.
In 1712, he married countess Barbara Draskovich de Trakostjan( June 27,1687- died before 1734).
The couple had two children:
He died before his father and the sovereignty of Simontornya went over to his younger brother Karl Joseph Alois.
Moritz Hermann of Limburg
Moritz Hermann of Limburg, (born 1664, died 1703), count of Limburg Stirum, son of Moritz of Limburg Stirum, was the second reigning count of the branch Limburg-Styrum-Styrum.
He married in 1692 countess Elisabeth Dorothea von Leiningen-Dagsburg (born 1665, died 1722), daughter of Emich Christian of Leiningen-Dagsburg and they had issue:
Christian Otto of Limburg
Christian Otto von Limburg Stirum, count of Limburg Bronkhorst and Stirum( 1694 – 1749), was a member of the House of Limburg- Stirum and the third reigning monarch from the branch of Limburg- Styrum- Styrum.
Adolf of Limburg
Adolf of Limburg, count of Limburg( died 1506), son of Wilhelm I of Limburg, count of Limburg.
He married in 1487 Elisabeth von Reichenstein( d. 1529) and they had issue:

Question: Who is the paternal grandfather of Philipp Wilhelm Of Limburg Stirum?
Answer: Moritz of Limburg