diff --git a/headers/enduro2d/high/address.hpp b/headers/enduro2d/high/address.hpp
index 0224fb36..46a00ba6 100644
--- a/headers/enduro2d/high/address.hpp
+++ b/headers/enduro2d/high/address.hpp
@@ -10,4 +10,6 @@
 
 namespace e2d { namespace address
 {
+    str parent(str_view address);
+    str nested(str_view address);
 }}
diff --git a/sources/enduro2d/high/address.cpp b/sources/enduro2d/high/address.cpp
index 63bc9b87..c676c3c7 100644
--- a/sources/enduro2d/high/address.cpp
+++ b/sources/enduro2d/high/address.cpp
@@ -6,6 +6,34 @@
 
 #include <enduro2d/high/address.hpp>
 
+namespace
+{
+    using namespace e2d;
+
+    const str_view address_separator = ":/";
+
+    str_view::iterator str_view_search(str_view str, str_view s_str) noexcept {
+        return std::search(str.begin(), str.end(), s_str.begin(), s_str.end());
+    }
+}
+
 namespace e2d { namespace address
 {
+    str parent(str_view address) {
+        const auto sep_e = str_view_search(address, address_separator);
+        if ( sep_e == address.end() ) {
+            return address;
+        }
+        const auto sep_d = std::distance(address.begin(), sep_e);
+        return address.substr(0, static_cast<std::size_t>(sep_d));
+    }
+
+    str nested(str_view address) {
+        const auto sep_e = str_view_search(address, address_separator);
+        if ( sep_e == address.end() ) {
+            return str();
+        }
+        const auto sep_d = std::distance(address.begin(), sep_e);
+        return address.substr(static_cast<std::size_t>(sep_d) + address_separator.size());
+    }
 }}
diff --git a/untests/sources/untests_high/address.cpp b/untests/sources/untests_high/address.cpp
index 8e6a9a69..231b6c60 100644
--- a/untests/sources/untests_high/address.cpp
+++ b/untests/sources/untests_high/address.cpp
@@ -8,4 +8,24 @@
 using namespace e2d;
 
 TEST_CASE("address") {
+    SECTION("parent") {
+        REQUIRE(address::parent("") == "");
+        REQUIRE(address::parent(":/") == "");
+        REQUIRE(address::parent(":/child") == "");
+        REQUIRE(address::parent("at/las.json") == "at/las.json");
+        REQUIRE(address::parent("at/las.json:/") == "at/las.json");
+        REQUIRE(address::parent("at/las.json:/spr/ite.png") == "at/las.json");
+        REQUIRE(address::parent("at/las.json:/spr/ite.png:/") == "at/las.json");
+        REQUIRE(address::parent("at/las.json:/spr/ite.png:/child") == "at/las.json");
+    }
+    SECTION("nested") {
+        REQUIRE(address::nested("") == "");
+        REQUIRE(address::nested(":/") == "");
+        REQUIRE(address::nested(":/chi/ld") == "chi/ld");
+        REQUIRE(address::nested("at/las.json") == "");
+        REQUIRE(address::nested("at/las.json:/") == "");
+        REQUIRE(address::nested("at/las.json:/spr/ite.png") == "spr/ite.png");
+        REQUIRE(address::nested("at/las.json:/spr/ite.png:/") == "spr/ite.png:/");
+        REQUIRE(address::nested("at/las.json:/spr/ite.png:/chi/ld") == "spr/ite.png:/chi/ld");
+    }
 }