Map of monthly rate of child benefit in various european states for one, two and three non-disabled children raised by two parents. 
Notice 1: some of benefits are issued only for one year after the birth of a child, so there's a low probability that this benefit can be applied for 3 children. 
Notice 2: if the country's currency is not euro then approximate value in euro is displayed. 
Sources includes:
https://zastarse.si/socialni-transferji/otroski-dodatek-2019-visina-in-datumi-izplacil/
https://ru.wikipedia.org/wiki/%D0%9F%D0%BE%D1%81%D0%BE%D0%B1%D0%B8%D0%B5_%D0%BD%D0%B0_%D1%80%D0%B5%D0%B1%D1%91%D0%BD%D0%BA%D0%B0
https://ec.europa.eu/social/main.jsp?catId=1105&amp;langId=en&amp;intPageId=4999
https://www.ahv-iv.ch/p/6.08.d
https://ec.europa.eu/social/main.jsp?catId=1118&amp;langId=en&amp;intPageId=4646
https://www.ssa.gov/policy/docs/progdesc/ssptw/2016-2017/europe/index.html#fileList
https://www.refugee.info/italy/social-benefits-in-italy/the-bonus-bebe?language=en
https://www.gazeta-unp.ru/files/2019/vyplata-na-pervogo-rebenka-v-2019-godu.pdf

https://www.gov.gg/familyallowance
Own work
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