Senior Constable Prestney will be farewelled during a private service at Xavier College in Kew on Monday.
A police spokeswoman said a private livestream link would be made available for family, friends and colleagues who cannot attend the funerals.
Currently only 10 people are able to attend funeral services in Victoria.
A public memorial will be held when COVID-19 restrictions are lifted, which is expected to happen next month.
Last week Chief Commissioner Graham Ashton said a larger memorial service would take place with “full police honours”.
Tributes for the officers have continued to flood onto social media including touching stories from colleagues and friends.
Leading Senior Constable Taylor’s niece Ada Taylor thanked the community for their outpouring of support.
“Lynette was the most loyal and devoted family woman – a wonderful wife, mother, sister, cousin, and daughter. She was a brave and intrepid explorer who absolutely loved to celebrate with a glass of champagne,” she wrote.
“When the shock and devastation recedes, please raise a glass to my beautiful aunt and her fallen colleagues
Others spoke of the mother of two’s dedication to a job that spanned three decades.
“Lynnie, we all called her that … she drove us out on that big bloody bus and made it an expedition to be remembered. We laughed together, struggled with computers together but most of all she showed us her true heart. You will be sadly missed by many Lynnie – today we don’t tie our buns too tight in your honour,” wrote Kay Mac.
Constable Prestney’s parents said their proudest moment was seeing their son, “protector” and “best mate” Josh graduate from the academy in December last year and join his younger brother Alex in the force.
“Josh found his calling with Victoria Police,” they wrote.
Senior Constable King’s family have described him as a “caring, considerate, gentle and kind-hearted person” and a “big softie” who would do anything for absolutely anyone.
A heartbroken Todd Robinson remembered his partner Constable Humphris as his “soulmate” with the pair forming a relationship after meeting in NSW. He said the two had built an adventurous life together.
“He is gone and I’m still coming to terms with that. That door is not going to open and he’s not going to bumble in, say ‘hello’ to me and grab the dog, and me and him go off for a walk and a run [or] wake up in the morning, go for a run together,” he said.
The officers were in the emergency lane of the Eastern Freeway, preparing to impound a black Porsche, when a semi-trailer ploughed into them about 5.40pm on April 22.
Erin covers crime for The Age. Most recently she was a police reporter at the Geelong Advertiser.