Question: Which German composer, organist, and teacher's son was a composer, organist and harpsichordist of the late Baroque era?

Context articles: Giovanni Picchi
Charles Theodore Pachelbel
Armand-Louis Couperin
Johann Pachelbel
Atlanta Baroque Orchestra
Johann Gottlieb Goldberg
Franz Tunder
Elisabetta de Gambarini
Giuseppe Ottavio Pitoni
Giovanni Legrenzi

Giovanni Picchi (1571 or 1572 – 17 May 1643) was an Italian composer, organist, lutenist, and harpsichordist of the early Baroque era.
 He was a late follower of the Venetian School, and was influential in the development and differentiation of instrumental forms which were just beginning to appear, such as the sonata and the ensemble canzona; in addition he was the only Venetian of his time to write dance music for harpsichord.
Charles Theodore Pachelbel (baptized Carl Theodorus, also spelled Karl Theodor, on November 24, 1690; buried September 15, 1750) was a German composer, organist and harpsichordist of the late Baroque era.
 He was the son of the more famous Johann Pachelbel, composer of the popular "Canon in D."
 He was one of the first European composers to take up residence in the American colonies, and was the most famous musical figure in early Charleston, South Carolina.
Armand-Louis Couperin (25 February 17272 February 1789) was a French composer, organist, and harpsichordist of the late Baroque and early Classical periods.
 He was a member of the Couperin family of musicians, of which the most notable were his great uncle Louis and his cousin François.
Johann Pachelbel (baptised 1 September 1653 – buried 9 March 1706) was a German composer, organist, and teacher who brought the south German organ tradition to its peak.
 He composed a large body of sacred and secular music, and his contributions to the development of the chorale prelude and fugue have earned him a place among the most important composers of the middle Baroque era.
The Atlanta Baroque Orchestra (ABO), founded in 1997 in Atlanta, Georgia, is the first and oldest professional orchestra in the Southeastern United States of America dedicated to historically informed performance, (also called "authentic performance practice") of music from the Baroque era on period instruments.
 The Atlanta Baroque Orchestra gave its premiere concert in January, 1998.
 The first Director of the ABO was lute and theorbo player Lyle Nordstrom, who departed in 2003.
 As several guest directors were brought in for concerts, John Hsu, noted performer on the viola da gamba and baryton, took the title of Artistic Advisor, becoming Artistic Director in July 2004; he continued through the 2008-2009 season.
 From 2004 through 2011, the Resident Director was founding member Daniel Pyle, harpsichordist and organist, and also Instructor of Music at Clayton State University and Organist and Choir Director at the Anglican Church of Our Saviour in Atlanta.
 Violinist, dancer and choreographer Julie Andrijeski became Artistic Director in February, 2011.
Johann Gottlieb Goldberg (baptized 14 March 1727 – 13 April 1756), also known as Johann Gollberg or Johann Goltberg, was a German virtuoso harpsichordist, organist, and composer of the late Baroque and early Classical period.
 He is best known for lending his name, as the probable original performer, to the renowned "Goldberg Variations" of J.S. Bach.
Franz Tunder (1614 – November 5, 1667) was a German composer and organist of the early to middle Baroque era.
 He was an important link between the early German Baroque style which was based on Venetian models, and the later Baroque style which culminated in the music of J.S. Bach; in addition he was formative in the development of the chorale cantata.
Elisabetta de Gambarini (September 7, 1731 – February 9, 1765) was an English composer, mezzo-soprano, organist, harpsichordist, pianist, orchestra conductor and painter of the 18th century.
 Elisabetta's music is considered late Baroque and Classical music.
 She achieved distinction as an all-around musician, performing on, and composing for a variety of instruments as well as voice.
 Her compositions were known to reflect that of vocal work instead of instrumental patterns.
 She was the first female composer in Britain to publish a collection of keyboard music.
Giuseppe Ottavio Pitoni (Rieti, 18 March 1657 – Rome, 1 February 1743) was an Italian organist and composer.
 He became one of the leading musicians in Rome during the late Baroque era, the first half of the 18th century.
Giovanni Legrenzi (baptized August 12, 1626 – May 27, 1690) was an Italian composer of opera, vocal and instrumental music, and organist, of the Baroque era.
 He was one of the most prominent composers in Venice in the late 17th century, and extremely influential in the development of late Baroque idioms across northern Italy.