Question: A Seattle Illustrator and editorial cartoonist, who was the first illustrator to show a public market that overlooks the Elliot Bay waterfront, was the son of what other cartoonist?

Context paragraphs:
Jules Feiffer: Jules Ralph Feiffer (born January 26, 1929) is an American syndicated cartoonist and author, who was considered the most widely read satirist in the country.  He won the Pulitzer Prize in 1986 as America's leading editorial cartoonist, and in 2004 he was inducted into the Comic Book Hall of Fame.  He wrote the animated short "Munro", which won an Academy Award for Best Animated Short Film in 1961.  The Library of Congress has recognized his "remarkable legacy", from 1946 to the present, as a cartoonist, playwright, screenwriter, adult and children’s book author, illustrator, and art instructor.

George Hager: George Hager was a Seattle illustrator and editorial cartoonist who worked for the "Seattle Post-Intelligencer" in the early 20th century.  He was the son of another Seattle cartoonist, John Hager, known to his readers as "DOK".  He is known for being the first illustrator to show the Pike Place Market in Seattle.

Pike Place Market: Pike Place Market is a public market overlooking the Elliott Bay waterfront in Seattle, Washington, United States.  The Market opened August 17, 1907, and is one of the oldest continuously operated public farmers' markets in the United States.  It is a place of business for many small farmers, craftspeople and merchants. Named after the central street, Pike Place runs northwest from Union Street to Virginia Street.  With more than 10 million visitors annually, Pike Place Market is Seattle's most popular tourist destination and is the 33rd most visited tourist attraction in the world.

Paul Szep: Paul Michael Szep (born July 29, 1941 in Hamilton, Ontario, Canada) is a political cartoonist.  He was the chief editorial cartoonist at the "Boston Globe" from 1967–2001 and has been syndicated to hundreds of newspapers worldwide.  He won the Pulitzer Prize twice for Editorial Cartooning in 1974 and 1977.  Szep also won the prestigious international Thomas Nast Prize (1983).  The Society of Professional Journalists/Sigma Delta Chi (SDX) honored him twice with its Distinguished Service Award for Editorial Cartooning (1973 and 1976).  He won the National Headliner Award in 1977 and the National Cartoonists Society's Editorial Cartoonist of the year (1978).  He has written more than a dozen books.

Jeff Parker (editorial cartoonist): Jeff Parker has been editorial cartoonist for "Florida Today" which serves Florida's Space Coast, since 1992.  He also assists Pulitzer Prize–winning cartoonist Mike Peters (cartoonist) with his comic strip, "Mother Goose & Grimm" and worked with Denis Lebrun on the daily "Blondie" comic strip from 1996 until 2005.  With "New Orleans Times-Picayune" editorial cartoonist Steve Kelley, Parker produces the strip "Dustin", centered on an unemployed 23-year-old living with his parents.  "Dustin" was launched in papers nationwide in early 2010.

Jack Ohman: Jack Ohman (born September 1, 1960) is the editorial cartoonist at "The Sacramento Bee", in Sacramento, California.  His work is syndicated nationwide to over 300 newspapers by Tribune Media Services.  He was the cartoonist at "The Oregonian" in Portland, Oregon, but left after being offered the job of editorial cartoonist by "The Sacramento Bee".  He succeeded his late friend, Rex Babin.  In 2016, he was awarded the Pulitzer Prize for Editorial Cartooning.

Edwin Frederick Brotze: Edwin Frederick Brotze (1868–1939) was a newspaper illustrator and editorial cartoonist.  He grew up in California, where he went to St Mary's College in Moraga.  He worked in newspapers in Chicago (c.1900) and Los Angeles (c.1900 to 1905) and in 1906 ended up in Seattle, where he worked for The Seattle Times until his death.  He was known for his caricatures and editorial cartoons.

H. M. Talburt: Harold M. Talburt (February 19, 1895 – October 24, 1966) was an American cartoonist and illustrator who received the 1933 Pulitzer Prize for Editorial Cartooning.  Born in Toledo, Ohio, he started his career as a reporter with the "Toledo News-Bee" in 1916, and became an editorial cartoonist with the Scripps–Howard News Services in 1922.  His 1932 cartoon "The Light of Asia", printed in "The Washington Daily News", received the 1933 Pulitzer Prize, and his other awards included a 1956 Christopher Award and an award from the Freedoms Foundation.  He was chief editorial cartoonist of Scripps–Howard years until his retirement in 1963.  He was a member of the Gridiron Club of Washington, D.C. and served as its president in 1943.  He died of cancer on October 24, 1966, at the age of 71.

Anne Briardy Mergen: Anne Briardy Mergen (1906–1994) was an editorial cartoonist who lived in Miami, Florida.  Hired by the "Miami Daily News" in 1933, she was the first woman editorial cartoonist in the United States, and for most of her career was the only woman in the U.S. working as an editorial cartoonist.

Gerald Scarfe: Gerald Anthony Scarfe, CBE, RDI (born 1 June 1936) is an English cartoonist and illustrator.  He has worked as editorial cartoonist for "The Sunday Times" and illustrator for "The New Yorker".

Supporting paragraphs: George Hager Pike Place Market
Answer: John Hager