Below is the current full family tree of Jayfeather. I hope that y'all will find who his kin is interesting! Btw, my source of this is the Warriors Wiki.

Mother:

Leafpool

Father:

Crowfeather

Brother:

Lionblaze

Sister:

Hollyleaf

Half-Brother:

Breezepelt

Nieces:

Sorrelstripe
Hollytuft

Nephew:

Fernsong

Half-Nieces:

Smokepaw
Brindlepaw

Grandfathers:

Firestar
Deadfoot

Grandmothers:

Sandstorm
Ashfoot

Great Grandfathers:

Redtail
Jake
Hickorynose
Stagleap

Great Grandmothers:

Brindleface
Nutmeg
Meadowslip
Wrenflight
Crystal

Great-Great Grandmothers:

Swiftbreeze
Robinwing
Palebird
Mistmouse

Great-Great Grandfathers:

Adderfang
Fuzzypelt
Woollytail
Hareflight
Mocha

Great-Great-Great-Grandmother:

Flashnose

Aunts:

Squirrelflight

Half-Uncle:

Eaglekit

Aunts/Uncles:

Two unnamed kits

Great-Aunts:

Princess
Morningflower
Sorrelpaw

Great-Uncles:

Pigeonpaw
Onestar

Half-Great Aunts:

Ferncloud
Ruby

Half-Great Uncles:

Ashfur
Two unnamed kits
Scourge
Socks

Great Great Uncles:

Patchpelt
Dustpelt
Ravenpaw
Bristlekit
Flykit
Ferris
Whiskers

Great Great Aunts:

Willowpelt
Spottedleaf
Leopardfoot
Frostfur
Rabbitkit
Doespring
Ryestalk

Great Great Aunts/Uncles:

Unidentified kits

Great-Great-Half-Uncle:

Tallstar

Great-Great-Half-Aunt:

Finchkit

Great-Great-Great-Great-Aunt:

Daisytoe

Cousins:

Gorsepaw
Unnamed kits
Heathertail
Darktail
Unnamed kits
Tornear
Mudclaw
Cloudtail
Four unnamed kits
Nightkit
Mistkit
Tigerstar
Bramblestar
Tawnypelt
Hawkfrost
Mothwing
Tadpole
Darkstripe
Sorreltail
Sootfur
Rainwhisker
Graystripe
Cinderpelt
Brackenfur
Thornclaw
Brightheart
Cinderheart
Honeyfern
Poppyfrost
Molepaw
Lilyheart
Seedpaw
Whitewing
Ambermoon
Dewnose
Snowbush
Flametail
Tigerheart
Dawnpelt
Stormfur
Feathertail
Lark That Sings at Dawn
Pine That Clings to Rock
Briarlight
Blossomfall
Bumblestripe
Plumkit
Eaglekit
Stemkit
Shellkit
Dovewing
Ivypool
Molewhisker
Cherryfall
Leafshade
Honeyfur
Larksong
Alderheart
Sparkpelt
Dandelionkit
Juniperkit
Strikestone
Sleekwhisker
Juniperclaw
Goosefeather
Moonflower
Bluestar
Snowfur
Mistystar
Mosskit
Stonefur
Whitestorm
Reedwhisker
Perchkit
Pikepaw
Primrosepaw

Distant Relatives:

Windstar
Gorsestar
Mothflight
Emberkit
Morning Whisker
Dust Muzzle
Cloudstar
Birdflight
Spottedpelt
Gorseclaw

😅😅😅 Well that's it. 0-0 Pity me. And yes, I typed that in. I don't do Copy and Paste. xD