United Kingdom, May 7 -- Brenda Song is trying to get her children to "understand" their heritage.

The 37-year-old actress has Dakota, four, and two-year-old Carson with 'Home Alone' star Macaulay Culkin, and because she is of Thai and Hmong descent, she is making a point of introducing Hmong language into small parts of everyday conversation.

She told PEOPLE: "My parents growing up would only speak to me and my brother in Hmong at home.

"I'm so incredibly grateful that my parents made such a point that we didn't lose our language or culture. We are a very tight-knit family. With my parents being refugees, I think it makes you stay even closer. Every single night, my kids say 'Good night' and 'I love you' in English and also Hmong.

"I...