TICA registered · Amsterdam · since 2013

Big paws
bigger
hearts

PolysRock is a small hobby cattery in Amsterdam. Our goal is to breed healthy, sweet and confident kittens.

This site was created for the love of my cats. For the Maine Coon in general, and the Maine Coon Polydactyl in particular. We love those big paws!

What greater gift than the love of a cat. Charles Dickens (1812 – 1870)
See upcoming litters Meet our cats
PawPeds G2 ribbon
Two Maine Coons in the sun
Louis
Dyna, Supreme Grand Champion 2016
Bas, Best Maine Coon Polydactyl 2018
About PolysRock

Hi, I'm Winnie

I live with my love Hugo and five Maine Coons in a two‑floor apartment in the nicest part of Amsterdam, near the Museum Square. The cats can roam the whole house and our 10 m² south‑facing balcony.

Since 2013 we occasionally breed a litter under the name PolysRock, registered with TICA, and specialised in the Maine Coon Polydactyl. My goal is straightforward: breed healthy, sweet and confident kittens who end up with staff that will love them for life.

Winnie with Bas
13
years breeding
5
cats at home
19
kittens raised
∞
toes counted

meet the housemates

Two queens, three neutered cats, one south‑facing balcony. Swipe through the gang of Maine Coons with full opinions and free run of the place.

queen Kutie Pie

Kutie Pie

Black silver ticked
b. 18 may 2023
queen Uma

Uma

Black silver ticked
b. 25 oct 2024
neuter Easy

Easy

Black silver shaded
b. 17 nov 2021
neuter Bas

Bas

Black + white
b. 9 jul 2015
neuter Dyna

Dyna

Black tortie + white
b. 1 dec 2013

kittens on
the way

We occasionally breed a litter, at most one or two a year. Every kitten grows up in our living room, fully socialised, and only leaves home when we're sure we've found it the right staff.

Seven Maine Coon kittens lined up on a sheepskin
Summer 2026

Kutie Pie × Warjo

This spring Kutie Pie went on a date with Warjo. She was a little unsure at first, a strange house and a strange tomcat. She kept her distance for a while, but Warjo turned out to be a complete gentleman: patient, soft‑spoken, never once pushy. By the end of the visit she had quite melted for him. We hope that we'll get to meet their kittens at the end of July. Thank you Patrick for your trust and making this mating possible.

Kutie Pie, a black silver ticked Maine Coon queen
Dam

CH American Native Kutie Pie

MCO ns 25 · Black silver tabby ticked, female

Born 18 May 2023

health

  • HCM Echo2024 · 2026Clear
  • PKD Echo2024Clear
  • HD2024Good (OFA)
  • PL2024Free
  • FIV / FeLV2024Free

Three kittens born on 27 July

See photos & videos

Kitten pedigree

View the full pedigree on PawPeds
  • 3.67%inbreeding
  • 44.7%top 5 of pedigree
  • 21.4%clones of ancestors

Possible colours

Black tabby, Black silver tabby
(ticked, mackerel or classic)

With or without white, and poly paws possible

Warjo, a black silver mackerel tabby with white Maine Coon tom
Sire

Lynx Luna Warjo Wiril PP

MCO ns 09 23 94 · Black silver tabby mackerel with white, poly male

Born 8 November 2018

health

  • HCM Echo2023 · 2025Clear
  • PKD Echo2020Clear
  • HD2021Fair (OFA)
  • PL2021Free
  • FIV / FeLV2023Free
Autumn 2026

Uma × Wallace

Uma visited Wallace twice. The first time she wanted nothing to do with him and made that very clear! Wallace, however, was not put off in the slightest. On her second visit she thankfully thawed. Wallace stayed calm and patient the whole time. In the end she decided she liked him very much after all. We are very much looking forward to welcoming their kittens at the end of October. Thank you again Desirée for your trust, and Anneke for making this mating possible.

Uma, a black silver ticked Maine Coon queen
Dam

CH PolysRock Uma PPurrman

MCO ns 25 94 · Black silver ticked, female

Born 25 October 2024

health

  • HCM Echo2026Clear
  • PKD Echo2026Clear
  • HD2026Good (OFA)
  • PL2026Free
  • FIV / FeLV2026Free

Four kittens born on 20 October

See photos & videos

Kitten pedigree

View the full pedigree on PawPeds
  • 10.7%inbreeding
  • 62.2%top 5 of pedigree
  • 31.4%clones of ancestors

Possible colours

Black tabby, Blue tabby,
Black silver tabby, Blue silver tabby
(ticked, mackerel or classic)
Black, Black smoke, Blue, Blue smoke

All with or without poly paws possible

Get in touch
Wallace, a black smoke Maine Coon tom
Sire

Deescoons Wallace

MCO ns · Black smoke, male

Born 24 January 2024

health

  • HCM Echo2025 · 2026Clear
  • PKD Echo2025Clear
  • HD2025Fair (OFA)
  • PL2025Free

articles &
information

Practical info from living with Maine Coons: tailored vaccination and titering, the story behind the polydactyl paws, how long kittens need their mother, and introducing cats to one another.

Two Maine Coon kittens, Buddha and Dondi, sleeping curled up together
health · reference · 9 min

health
information

Hereditary conditions (HD, PL, HCM, PKD) and infectious diseases (FIV, FeLV, FIP): what they are and how to detect them.

read article health · 9 min

titre testing &
tailored vaccination

Why you no longer need to vaccinate cats every year, and how a titre test shows whether your cat is really protected.

read article behaviour · 5 min

how long do kittens
need their mother?

Why kittens need their mother and littermates for sixteen weeks, the three most important reasons, by Elles Nijssen.

read article breeding · 4 min

why we
neuter early

My kittens are neutered at around fifteen weeks: why I do it this way, what research says about it, and how kittens respond.

read article behaviour · 3 min

introducing cats
to each other

Not every cat is waiting for a companion. A calm, step-by-step introduction, and what you can do yourself to make it work.

read article deep dive · 2 min

polydactyly,
explained

Where those extra toes come from, why they're harmless, and the early Maine Coon history behind the trait.

read article
A Maine Coon up close
Drop us a line

let's
have a
chat

Looking for a kitten, or just curious? Use the form, or send a proper old‑fashioned email. We answer everything personally, usually within a week.

Write a message winnie.scheffmann@gmail.com

tell us
about you

We read every message ourselves. No mailing lists, no marketing. Expect a personal reply within about a week.