Question: Who was born first Jeff Mangum or Rose McDowall?

Context paragraphs:
Strawberry Switchblade: Strawberry Switchblade were a Scottish female new wave duo formed in Glasgow in 1981 by Jill Bryson and Rose McDowall, best known for their song "Since Yesterday" from 1985, and their flamboyant clothing with bows and polka-dots.

Korena Pang: Korena Pang was a name used by Jeff Mangum for his sound collage work, which he debuted during his 2002 show on New Jersey radio station WFMU.  The name first appeared in the liner notes to the 1996 Neutral Milk Hotel album "On Avery Island", and has been used interchangeably with another pseudonym, Alfred Snouts.  Mangum described the process of constructing sound collage pieces during a rare interview with Pitchfork the same year:

Höfuðlausnir: Höfuðlausnir was an album released in May 1988 by Icelandic rock singer Megas.  This album was released through Gramm and featured singers Björk and Rose McDowall as background vocalists.  "Höfuðlausnir" also includes Megas’ long-time collaborator Guðlaugur Kristinn Óttarsson who adding guitars to this work.

Jeff Mangum: Jeff Mangum (born October 24, 1970) is an American singer, songwriter, and multi-instrumentalist, best known for his work as the lyricist, vocalist and guitarist of the band Neutral Milk Hotel, as well as being one of the cofounders of The Elephant 6 Recording Company.  He is best known for his complex, lyrically dense songwriting, apparent on the critically lauded album "In the Aeroplane Over the Sea".

To Drown a Rose: To Drown A Rose is a single by Death in June.  Additional music performers include: Christ 777, Douglas P., Gary Carey, Jan O', John Balance, Rose McDowall.  The vinyl has the phrases "Our time has been..." and "...and will be again" scratched into it.  The test pressing for this release was done on 12" vinyl as opposed to the finalized 10" format.

Spell (band): Spell was a collaboration between Rose McDowall and Boyd Rice.  The duo covered several songs from the 1960s and 1970s, often modifying the lyrics to make them darker.  For instance, the line in the original song "Seasons in the Sun": "Goodbye Papa, please pray for me" becomes "Goodbye Papa, don't pray for me".  Several references to hell and death are added as well.

Rose McDowall: Rose McDowall (born 21 October 1959) is a Scottish musician.  Along with Jill Bryson, in 1981 she formed the new wave band Strawberry Switchblade.

Everything Is (EP): Everything Is was the first recording mass-released by Neutral Milk Hotel, at that point still largely an outlet for the songwriting of Jeff Mangum instead of a fully formed band.  The recording was originally the second release on the fledgling Seattle label Cher Doll Records in 1994.  The label in the form of a 7", with "Everything Is" as the A side, and "Snow Song, Pt. 1" as the B side.  The first 50 7"s pressed also featured different artwork, with each sleeve being personally xeroxed by Mangum.  The Cher Doll edition is now out of print.

Cats Drunk on Copper: Cats Drunk on Copper is a live CD album by Current 93.  David Tibet is the only official member of Current 93; he was accompanied by the following performers during the Current 93 act: John Balance, Joolie Wood, Karl Blake, Michael Cashmore, Rose McDowall.

Live at Jittery Joe's: Live at Jittery Joe's is an album released in 2001 by Jeff Mangum of Neutral Milk Hotel to battle the high prices of bootlegs on eBay.  Filmmaker Lance Bangs recorded it at the Athens, GA venue Jittery Joe's on March 7, 1997 during a live solo performance; this location was the original Jittery Joe's at 243 W. Washington St., not one of the current locations.  Jeff had not prepared a set list, so some of the songs were chosen by the audience.  A noisy child can be heard throughout the performance (most notably during "Oh Comely").

Supporting paragraphs: Jeff Mangum Rose McDowall
Answer: Rose McDowall