Every week, Jim Arapkiles could expect a phone call from his youngest daughter, Sierra. Living in New Jersey, calls were the easiest way to check in on his daughter, who lives in Parker. "What she’s been up to. What she’s been doing," Jim said. "How’s the baby? Just family things." Then one week, the phone call from Sierra never came. One week turned into eight, and Jim's concerns grew. "I started making calls. 'Have you heard from Sierra?' 'Have you heard from Sierra?' And that kind of got me wondering, what the heck is going on?" Jim said. Jim's daughter-in-law, Kim, told 9NEWS she last spoke to Sierra on Feb. 15. She said Sierra was excited about going to her daughter's upcoming birthday party. "We’re a Greek family, and I don't know if you know anything about Greek families, but we’re all very close," Jim said. "We’re always in each other’s businesses. You know, everybody’s worried." Jim would later find out through his sister, who contacted Sierra's mom, that Sierra hadn't been seen or heard from for at least two months. Read more: https://www.9news.com/article/news/local/missing-pregnant-parker-woman/73-7142aa69-73a2-44e9-8bf5-0e99f9730568 ----- More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.